| Oasis | | vals | Héctor Stamponi | Alberto Marino | spa | 1955-11-18 | 02:48 | 02480002041757-1-12 |
| Oblivion | T9007751635 | tango | Ensemble Hyperion | Antonella Ruggiero | spa | 2010-07-21 | 03:47 | 02480002102489-1-10 |
| Obsesión | Z0999900580 | tango | Alfredo De Angelis | Juan Carlos Godoy | spa | 1964 | 03:12 | 02480002102298-1-1 |
| Ocaso | Z0999900985 | tango | -unspecified orchestra- | Libertad Lamarque | spa | 1932-08-05 | 02:56 | 02480002127628-1-13 |
| Ocaso | Z0999900985 | tango | -unspecified orchestra- | Libertad Lamarque | spa | 1932-08-05 | | 02480002150640-1-17 |
| Ocaso | Z0999900985 | tango | -unspecified orchestra- | Libertad Lamarque | spa | 1932-08-05 | 02:58 | 02480002008316-1-17 |
| Odio la mentira | | tango | Osvaldo Fresedo | | spa | 1968 | 02:21 | 02480002043997-1-13 |
| Ofrenda | | tango | Roberto Firpo | Teófilo Ibáñez | spa | 1929-04-18 | 02:50 | 02480002042112-1-8 |
| Ofrenda | | tango | Roberto Firpo | Teófilo Ibáñez | spa | 1929-04-28 | 02:51 | 04024236202782-1-3 |
| Ofrenda | | tango | Roberto Firpo | Teófilo Ibáñez | spa | 1929-04-28 | 02:55 | 02480002336785-2-3 |
| Ofrenda gaucha | T0370021718 | estilo | Guillermo Barbieri, José María Aguilar | Carlos Gardel, José Razzano | spa | 1929-12-18 | | 02480002781981-2-1 |
| Ofrenda gaucha | T0370021718 | estilo | Guillermo Barbieri, José María Aguilar | Carlos Gardel, José Razzano | spa | 1929-12-18 | | 02480002029380-1-7 |
| Ofrenda gaucha | T0370021718 | estilo | Guillermo Barbieri, José María Aguilar | Carlos Gardel, José Razzano | spa | 1929-12-18 | | 02480002101420-1-649 |
| Ofrenda gaucha | T0370021718 | estilo | Guillermo Barbieri, José María Aguilar | Carlos Gardel, José Razzano | spa | 1929-12-18 | 03:14 | 03561302500423-1-9 |
| Ofrenda maleva | T0370021729 | tango | Ángel Domingo Riverol, Domingo Julio Vivas, Guillermo Barbieri | Carlos Gardel | spa | 1931-09-04 | 02:14 | 08427328130158-1-16 |
| Ofrenda maleva | T0370021729 | tango | Ángel Domingo Riverol, Domingo Julio Vivas, Guillermo Barbieri | Carlos Gardel | spa | 1931-09-04 | | 02480002029441-1-15 |
| Ofrenda maleva | T0370021729 | tango | Ángel Domingo Riverol, Domingo Julio Vivas, Guillermo Barbieri | Carlos Gardel | spa | 1931-09-04 | | 02480002781998-1-1 |
| Ofrenda maleva | T0370021729 | tango | Ángel Domingo Riverol, Domingo Julio Vivas, Guillermo Barbieri | Carlos Gardel | spa | 1931-09-04 | | 02480002101420-1-754 |
| Ofrenda maleva | T0370021729 | tango | Ángel Domingo Riverol, Domingo Julio Vivas, Guillermo Barbieri | Carlos Gardel | spa | 1931-09-04 | 02:16 | 05204833007600-1-11 |
| Oh Johnny, oh Johnny, oh | T9011361721 | fox trot | Francisco Lomuto | Jorge Omar | spa | 1940-08-01 | 02:08 | 02480002044444-1-10 |
| Oh Johnny, oh Johnny, oh | T9011361721 | fox trot | Francisco Lomuto | Jorge Omar | spa | 1940-08-01 | 02:08 | 04024236203864-1-6 |
| Oh ma cheri | | fox trot | Adolfo Carabelli | Alberto Gómez | spa | 1932-03-04 | 02:53 | 02480002042402-1-1 |
| Oh mama | T0700978502 | paso doble | Enrique Rodríguez | Roberto Flores | spa | 1938-09-21 | 02:40 | 00724354170522-1-16 |
| Oh mama mia | T0370455585 | tango | Trío Yumba | Hugo Duval | spa | | 02:48 | 07798067330118-1-2 |
| Oh mama mia | T0370455585 | tango | Rodolfo Biagi | Hugo Duval | spa | 1959-09-16 | 02:37 | 00828768475225-1-14 |
| Oh mama mia | T0370455585 | tango | Rodolfo Biagi | Hugo Duval | spa | 1959-09-16 | 02:35 | 04024236202225-1-8 |
| Oh mamá (Oh ma-ma) | | paso doble | Enrique Rodríguez | Roberto Flores | spa | 1938-09-21 | 02:41 | 02480002042419-1-18 |
| Oh Margarita | | vals | | Héctor Mauré | spa | | | 02480002150107-1-25 |
| Oh Paris | T0370202575 | fox trot | Enrique Rodríguez | Ricardo Herrera | spa | 1948-06-21 | 02:31 | 00094637916827-1-4 |
| Oh Paris! | T0370202575 | fox trot | | Carlos Gardel | spa | 1924 | | 02480002029151-1-4 |
| Oh Paris! | T0370202575 | fox trot | | Carlos Gardel | spa | 1924 | 02:25 | 05204833007587-1-11 |
| Oh Paris! | T0370202575 | fox trot | | Carlos Gardel | spa | 1924 | 02:23 | 08427328130165-1-12 |
| Oh Paris! | T0370202575 | fox trot | | Carlos Gardel | spa | 1924 | | 02480002101420-1-238 |
| Oh Paris! | T0370202575 | fox trot | | Carlos Gardel | spa | 1924 | | 02480002029144-1-6 |
| Oh, París! | T0370202575 | fox trot | Enrique Rodríguez | Ricardo Herrera | spa | 1948-06-21 | 02:29 | 02480002042518-1-6 |
| Oh penas mias | | tango | | Carlos Gardel | spa | 1925 | | 02480002101420-1-297 |
| Oh, penas mías! | | ? | | Carlos Gardel | spa | 1925 | | 02480002029182-1-7 |
| Oh, señor Colón | | corrido | Feliciano Brunelli | Roberto Morales | spa | 1950-05-12 | | 02480002030584-1-3 |
| Oh, señor Colón | | corrido | Feliciano Brunelli | Roberto Morales | spa | 1950-05-12 | 02:12 | 00743219561428-1-23 |
| Oh-Te-Lo | T0370178816 | corrido | Francisco Canaro | Carlos Roldán | spa | 1942-01-13 | 02:59 | 02480002041016-1-18 |
| Oh-Te-Lo | T0370178816 | corrido | Francisco Canaro | Carlos Roldán | spa | 1942-01-13 | | 02480002741367-2-1 |
| Oíd el vals (Tu diagnósitco) | | vals | Adolfo Carabelli | Charlo | spa | 1933-06-20 | 03:09 | 02480002043102-1-1 |
| Oiga! | T0370149191 | tango | Osvaldo Fresedo | Juan Carlos Thorry | spa | 1927-07-30 | 02:56 | 02480002152798-1-16 |
| Oiga! | T0370149191 | tango | Osvaldo Fresedo | Juan Carlos Thorry | spa | 1927-07-30 | 02:53 | 02480002043720-1-1 |
| Oiga! | T0370149191 | tango | Osvaldo Fresedo | Juan Carlos Thorry | spa | 1927-07-30 | 02:56 | 02480002115021-1-16 |
| Oiga! | T0370149191 | tango | Osvaldo Fresedo | Juan Carlos Thorry | spa | 1927-07-30 | 03:00 | 02480002335474-1-3 |
| Oiga, agente | T0370149204 | tango canción | -unspecified guitars- | Mercedes Simone | spa | 1928-02-01 | 02:45 | 02480002335269-1-3 |
| Oiga, agente | T0370149204 | tango canción | -unspecified guitars- | Mercedes Simone | spa | 1928-02-01 | 02:38 | 04024236204007-1-2 |
| Oiga, agente | T0370149204 | tango canción | -unspecified guitars- | Mercedes Simone | spa | 1928-02-01 | | 02480002716204-1-1 |
| Oiga, agente | T0370149204 | tango canción | -unspecified guitars- | Mercedes Simone | spa | 1928-02-01 | 02:47 | 02480002008125-1-1 |
| Oiga... amigo! | T0370149215 | tango | José Ricardo | Carlos Gardel | spa | 1925-12-27 | | 02480002029205-1-11 |
| Oiga... amigo! | T0370149215 | tango | José Ricardo | Carlos Gardel | spa | 1925-12-27 | | 02480002782001-1-1 |
| Oiga... amigo! | T0370149215 | tango | José Ricardo | Carlos Gardel | spa | 1925-12-27 | | 02480002101420-1-396 |
| Oiga... amigo! | T0370149215 | tango | José Ricardo | Carlos Gardel | spa | 1926 | | 02480002780021-1-1 |
| Oiga... amigo! | T0370149215 | tango | José Ricardo | Carlos Gardel | spa | 1926 | | 02480002101420-1-329 |
| Oiga… amigo! | T0370149215 | tango | José Ricardo | Carlos Gardel | spa | 1926 | | 02480002029212-1-9 |
| Oiga, compadre | T0370149248 | tango | -unspecified guitars- | Alberto Vila | spa | | | 02480002736424-1-1 |
| Oiga, compadre | T0370149248 | tango | Minotti Di Cicco | Antonio Buglione | spa | 1930 | 02:53 | 02480002153191-1-19 |
| Oiga, compadre | T0370149248 | tango | Minotti Di Cicco | Antonio Buglione | spa | 1930 | | 02480002030416-1-4 |
| Oiga, compadre | T0370149248 | tango | Minotti Di Cicco | Antonio Buglione | spa | 1930 | 02:53 | 02480002150619-1-17 |
| Oiga, compadre | T0370149248 | tango | Minotti Di Cicco | Antonio Buglione | spa | 1930 | 02:52 | 02480002123521-1-1 |
| Oiga, Don Ramón | Z0999901628 | ranchera | Julio De Caro | Luis Díaz | spa | 1931 | 02:32 | 02480002042747-1-6 |
| Oiga... Don Ramón | Z0999901628 | ranchera | Julio De Caro | Luis Díaz | spa | 1931 | 02:32 | 04024236201921-1-6 |
| Oiga... Don Ramón | Z0999901628 | ranchera | Julio De Caro | Luis Díaz | spa | 1931 | | 02480002704553-2-1 |
| Oiga garcón | Z0999901223 | tango | Francisco Canaro | Charlo | spa | 1929-08-21 | 02:51 | 02480002040385-1-11 |
| Oiga, garçon | Z0999901223 | tango | Francisco Canaro | Charlo | spa | 1929-08-21 | | 02480002743040-2-1 |
| Oiga, garçon | Z0999901223 | tango | Francisco Canaro | Charlo | spa | 1929-08-21 | 02:55 | 00724385212727-1-17 |
| Oiga, garçon | Z0999901223 | tango | Francisco Canaro | Charlo | spa | 1929-08-21 | 02:56 | 02480002101123-1-42 |
| Oiga, madre | Z0999900767 | vals | -unspecified guitars- | Rosita Quiroga | spa | 1925-12-11 | 03:23 | 02480002008019-1-4 |
| Oiga, mozo | T0370190412 | tango | Ángel D'Agostino | Ángel Vargas | spa | 1942-10-29 | 03:11 | 02480002003526-1-14 |
| Oiga, mozo | T0370190412 | tango | Ángel D'Agostino | Ángel Vargas | spa | 1942-10-29 | 03:07 | 00828766032529-1-2 |
| Oiga, mozo | T0370190412 | tango | Ángel D'Agostino | Ángel Vargas | spa | 1942-10-29 | | 02480002720454-1-1 |
| Oiga, mozo | T0370190412 | tango | Ángel D'Agostino | Ángel Vargas | spa | 1942-10-29 | 03:09 | 02480002123224-1-7 |
| Oiga, mozo | T0370190412 | tango | Ángel D'Agostino | Ángel Vargas | spa | 1942-10-29 | | 02480002332008-1-7 |
| Oiga, mozo | T0370190412 | tango | Ricardo Malerba | Orlando Medina | spa | 1942-11-19 | 03:04 | 02480002152248-1-4 |
| Oiga, mozo | T0370190412 | tango | Ricardo Malerba | Orlando Medina | spa | 1942-11-19 | 03:04 | 02480002122524-1-3 |
| Oiga, mozo | T0370190412 | tango | Ricardo Malerba | Orlando Medina | spa | 1942-11-19 | 03:02 | 00724359516028-1-19 |
| Oiga, mozo | T0370190412 | tango | Ricardo Malerba | Orlando Medina | spa | 1942-11-19 | 03:09 | 02480002007586-1-5 |
| Oiga, mozo | T0370190412 | tango | Ricardo Malerba | Orlando Medina | spa | 1942-11-19 | | 02480002032069-1-6 |
| Oiga rubia | T0370202202 | milonga | Francisco Canaro | Carlos Roldán | spa | 1944-01-03 | 03:00 | 02480002041054-1-15 |
| Oiga, rubia | T0370202202 | milonga | Francisco Canaro | Carlos Roldán | spa | 1944-01-03 | | 02480002030997-1-8 |
| Oiga, rubia | T0370202202 | milonga | Francisco Canaro | Carlos Roldán | spa | 1944-01-03 | | 02480002030591-1-6 |
| Oiga, rubia | T0370202202 | milonga | Francisco Canaro | Carlos Roldán | spa | 1944-01-03 | 02:59 | 04024236201075-1-9 |
| Oiga, rubia | T0370202202 | milonga | Francisco Canaro | Carlos Roldán | spa | 1944-01-03 | | 02480002102793-1-12 |
| Oiga, rubia | T0370202202 | milonga | Francisco Canaro | Carlos Roldán | spa | 1944-01-03 | 03:00 | 00724354169021-1-13 |
| Oigo tu voz | T0370175555 | tango | Sexteto Milonguero | | spa | | 03:07 | 00656291199123-1-2 |
| Oigo tu voz | T0370175555 | tango | Ricardo Tanturi | Enrique Campos | spa | 1943-11-17 | 03:06 | 00743216559329-1-3 |
| Oigo tu voz | T0370175555 | tango | Ricardo Tanturi | Enrique Campos | spa | 1943-11-17 | | 02480002101321-1-111 |
| Oigo tu voz | T0370175555 | tango | Ricardo Tanturi | Enrique Campos | spa | 1943-11-17 | 03:05 | 08427328130813-1-9 |
| Oigo tu voz | T0370175555 | tango | Ricardo Tanturi | Enrique Campos | spa | 1943-11-17 | 03:05 | 02480002041948-1-1 |
| Oigo tu voz | T0370175555 | tango | Ricardo Tanturi | Enrique Campos | spa | 1943-11-17 | | 02480002102359-1-3 |
| Oigo tu voz | T0370175555 | tango | Ricardo Tanturi | Enrique Campos | spa | 1943-11-17 | 03:07 | 07896423120288-1-12 |
| Oigo tu voz | T0370175555 | tango | Ricardo Tanturi | Enrique Campos | spa | 1943-11-17 | 03:09 | 02480002102984-1-16 |
| Oigo tu voz | T0370175555 | tango | Ricardo Tanturi | Enrique Campos | spa | 1943-11-17 | 03:07 | 00743214129623-1-13 |
| Oigo tu voz | T0370175555 | tango | Ricardo Tanturi | Enrique Campos | spa | 1943-11-17 | 03:05 | 02480002028772-1-6 |
| Oigo tu voz | T0370175555 | tango | Ricardo Tanturi | Enrique Campos | spa | 1943-11-17 | 03:03 | 04024236204175-1-4 |
| Oigo tu voz | T0370175555 | tango | Ricardo Tanturi | Enrique Campos | spa | 1943-11-17 | 03:03 | 02480002332107-2-2 |
| Oigo tu voz | T0370175555 | tango | Lucio Demare | Raúl Berón | spa | 1943-11-25 | 02:57 | 00724349997820-1-9 |
| Oigo tu voz | T0370175555 | tango | Lucio Demare | Raúl Berón | spa | 1943-11-25 | 02:53 | 02480002101123-3-148 |
| Oigo tu voz | T0370175555 | tango | Lucio Demare | Raúl Berón | spa | 1943-11-25 | 02:57 | 02480002042976-1-5 |
| Oigo tu voz | T0370175555 | tango | Lucio Demare | Raúl Berón | spa | 1943-11-25 | 02:59 | 02480002007517-1-15 |
| Oigo tu voz | T0370175555 | tango | Lucio Demare | Raúl Berón | spa | 1943-11-25 | | 02480002705215-1-1 |
| Oigo tu voz | T0370175555 | tango | Lucio Demare | Raúl Berón | spa | 1943-11-25 | 02:51 | 04024236204229-1-3 |
| Oigo tu voz | T0370175555 | tango | Lucio Demare | Raúl Berón | spa | 1943-11-25 | 02:56 | 07798108080545-2-16 |
| Oigo tu voz | T0370175555 | tango | Lucio Demare | Raúl Berón | spa | 1943-11-25 | 02:51 | 02480002027423-1-11 |
| Oíme negro | T0370149282 | tango | -unspecified guitars- | Rosita Quiroga | spa | 1928-08-07 | 03:08 | 02480002121824-1-20 |
| Oíme negro | T0370149282 | tango | -unspecified guitars- | Rosita Quiroga | spa | 1928-08-07 | 03:00 | 08427328130707-1-15 |
| Oíme negro | T0370149282 | tango | -unspecified guitars- | Rosita Quiroga | spa | 1928-08-07 | 03:11 | 02480002150589-1-11 |
| Oíme negro | T0370149282 | tango | -unspecified guitars- | Rosita Quiroga | spa | 1928-08-07 | 03:05 | 02480002101123-1-186 |
| Oíme negro | T0370149282 | tango | -unspecified guitars- | Rosita Quiroga | spa | 1928-08-07 | 03:06 | 02480002008026-1-20 |
| Oíme negro | T0370149282 | tango | -unspecified guitars- | Rosita Quiroga | spa | 1928-08-07 | | 02480002333609-2-4 |
| Oíme negro | T0370149282 | tango | -unspecified guitars- | Rosita Quiroga | spa | 1928-08-07 | 03:09 | 02480002300724-1-4 |
| Oíme negro | T0370149282 | tango | -unspecified guitars- | Rosita Quiroga | spa | 1928-08-07 | 03:09 | 04053796000958-3-3 |
| Oíme negro | T0370149282 | tango | -unspecified guitars- | Rosita Quiroga | spa | 1928-08-07 | 03:11 | 07798145106499-1-3 |
| Oíme negro | T0370149282 | tango | Luis Petrucelli | Roberto Díaz | spa | 1928-12-13 | 03:06 | 02480002152200-1-4 |
| Oíme negro | T0370149282 | tango | Luis Petrucelli | Roberto Díaz | spa | 1928-12-13 | 03:09 | 02480002002017-1-12 |
| Oíme negro | T0370149282 | tango | Luis Petrucelli | Roberto Díaz | spa | 1928-12-13 | 03:05 | 02480002336532-1-6 |
| Oíme negro | T0370149282 | tango | Luis Petrucelli | Roberto Díaz | spa | 1928-12-13 | 03:06 | 02480002122128-1-4 |
| Ojo clínico | Z0999900894 | tango | Pedro Maffia | Luis Díaz | spa | 1930 | 03:09 | 02480002006336-1-9 |
| Ojo clínico | Z0999900894 | tango | Pedro Maffia | Luis Díaz | spa | 1930 | 03:05 | 02480002027324-1-11 |
| Ojo clínico | Z0999900894 | tango | Pedro Maffia | Luis Díaz | spa | 1930 | 03:09 | 02480002101123-1-174 |
| Ojos brujos | T0373525495 | vals | | Agustín Magaldi, Pedro Noda | spa | | | 02480002714309-2-1 |
| Ojos brujos | T0373525495 | ? | | Agustín Magaldi, Pedro Noda | spa | 1929--1933 | 02:44 | 08427328131469-1-2 |
| Ojos de canela | T0350124558 | vals | | Jorge Durán, Roberto Florio | spa | | | 02480002736431-1-1 |
| Ojos matreros | | tango | Osvaldo Fresedo | Antonio Buglione | spa | 1928-09-02 | 03:13 | 02480002043805-1-14 |
| Ojos maulas | T0370021763 | tango | Ángel Domingo Riverol, Domingo Julio Vivas, Guillermo Barbieri | Carlos Gardel | spa | 1931-10-27 | 02:32 | 08427328130516-1-13 |
| Ojos maulas | T0370021763 | tango | Ángel Domingo Riverol, Domingo Julio Vivas, Guillermo Barbieri | Carlos Gardel | spa | 1931-10-27 | | 02480002029434-1-12 |
| Ojos maulas | T0370021763 | tango | Ángel Domingo Riverol, Domingo Julio Vivas, Guillermo Barbieri | Carlos Gardel | spa | 1931-10-27 | 02:33 | 05204833007532-1-9 |
| Ojos maulas | T0370021763 | tango | Ángel Domingo Riverol, Domingo Julio Vivas, Guillermo Barbieri | Carlos Gardel | spa | 1931-10-27 | | 02480002780205-2-1 |
| Ojos maulas | T0370021763 | tango | Ángel Domingo Riverol, Domingo Julio Vivas, Guillermo Barbieri | Carlos Gardel | spa | 1931-10-27 | | 02480002101420-1-773 |
| Ojos maulas | T0370021763 | tango | Osvaldo Pugliese | Roberto Chanel | spa | 1947-01-28 | 02:46 | 07798067331566-1-23 |
| Ojos maulas | T0370021763 | tango | Osvaldo Pugliese | Roberto Chanel | spa | 1947-01-28 | 02:46 | 04024236201129-1-8 |
| Ojos maulas | T0370021763 | tango | Osvaldo Pugliese | Roberto Chanel | spa | 1947-01-28 | | 02480002709435-1-1 |
| Ojos maulas | T0370021763 | tango | Osvaldo Pugliese | Roberto Chanel | spa | 1947-01-28 | 02:50 | 02480002005230-1-19 |
| Ojos maulas | T0370021763 | tango | Osvaldo Pugliese | Roberto Chanel | spa | 1947-01-28 | 02:43 | 07798049045030-1-14 |
| Ojos maulas | T0370021763 | tango | Osvaldo Pugliese | Roberto Chanel | spa | 1947-01-28 | 02:46 | 07798067330330-1-13 |
| Ojos maulas | T0370021763 | tango | Osvaldo Pugliese | Roberto Chanel | spa | 1947-01-28 | | 02480002334132-2-5 |
| Ojos maulas | T0370021763 | tango | Osvaldo Pugliese | Roberto Chanel | spa | 1947-01-28 | 02:46 | 07798108080071-1-17 |
| Ojos maulas | T0370021763 | tango | Osvaldo Pugliese | Roberto Chanel | spa | 1947-01-28 | 02:47 | 00724383071623-1-6 |
| Ojos maulas | T0370021763 | tango | Osvaldo Pugliese | Roberto Chanel | spa | 1947-01-28 | 02:46 | 07798113060327-1-11 |
| Ojos maulas | T0370021763 | tango | Osvaldo Pugliese | Roberto Chanel | spa | 1947-01-28 | 02:48 | 00724349537422-1-14 |
| Ojos maulas | T0370021763 | tango | Osvaldo Pugliese | Roberto Chanel | spa | 1947-01-28 | 02:46 | 08427328130967-1-16 |
| Ojos maulas | T0370021763 | tango | Osvaldo Pugliese | Roberto Chanel | spa | 1947-01-28 | 02:48 | 00077778953326-1-19 |
| Ojos maulas | T0370021763 | tango | Osvaldo Pugliese | Roberto Chanel | spa | 1947-01-28 | 02:48 | 08427328146036-2-3 |
| Ojos muertos (Ojos tristes) | T0370021821 | tango | Osvaldo Fresedo | Roberto Ray | spa | 1938-11-23 | 02:37 | 00828766032628-1-2 |
| Ojos muertos (Ojos tristes) | T0370021821 | tango | Osvaldo Fresedo | Roberto Ray | spa | 1938-11-23 | | 02480002702092-2-1 |
| Ojos muertos (Ojos tristes) | T0370021821 | tango | Osvaldo Fresedo | Roberto Ray | spa | 1938-11-23 | 02:34 | 02480002043867-1-8 |
| Ojos muertos (Ojos tristes) | T0370021821 | tango | Osvaldo Fresedo | Roberto Ray | spa | 1938-11-23 | 02:36 | 02480002102700-1-24 |
| Ojos negros | | tango | | Alberto Gómez | spa | | | 02480002150084-1-20 |
| Ojos negros | | canción rusa | -unspecified orchestra- | Alberto Vila, Alberto Gómez | spa | | | 02480002732747-2-1 |
| Ojos negros | T0370021796 | tango | Alberto Mancione | Jorge Ledesma | spa | 1951-05-24 | 03:23 | 00886974310525-1-2 |
| Ojos negros | T0370021796 | tango | Alberto Mancione | Jorge Ledesma | spa | 1951-05-24 | 03:28 | 02480002002710-1-7 |
| Ojos negros | T0370021796 | tango | Alberto Mancione | Jorge Ledesma | spa | 1951-05-24 | 03:25 | 04024236204311-1-8 |
| Ojos negros | T0370021796 | tango | Alberto Mancione | Jorge Ledesma | spa | 1951-05-24 | 03:20 | 02480002335535-1-2 |
| Ojos negros que fascinan | Z0999900157 | tango | Francisco Canaro | Roberto Maida | spa | 1935 | 02:48 | 02480002125723-1-15 |
| Ojos negros que fascinan | Z0999900157 | tango | Francisco Canaro | Roberto Maida | spa | 1935-04-25 | 02:50 | 02480002007081-1-5 |
| Ojos negros que fascinan | Z0999900157 | tango | Francisco Canaro | Roberto Maida | spa | 1935-04-25 | 02:49 | 02480002152958-1-5 |
| Ojos negros que fascinan | Z0999900157 | tango | Francisco Canaro | Roberto Maida | spa | 1935-04-25 | | 02480002102717-1-5 |
| Ojos negros que fascinan | Z0999900157 | tango | Francisco Canaro | Roberto Maida | spa | 1935-04-25 | 02:46 | 00743625545623-1-3 |
| Ojos negros que fascinan | Z0999900157 | tango | Francisco Canaro | Roberto Maida | spa | 1935-04-25 | 02:44 | 02480002040811-1-5 |
| Ojos negros que fascinan | Z0999900157 | tango | Francisco Canaro | Roberto Maida | spa | 1935-04-25 | | 02480002742333-2-1 |
| Ojos que lloran | T0370021810 | vals | Roberto Firpo | Carlos A. Varela | spa | 1930-04-16 | 02:46 | 04024236202867-1-4 |
| Ojos que lloran | T0370021810 | vals | Roberto Firpo | Carlos A. Varela | spa | 1930-04-16 | 02:45 | 02480002042150-1-14 |
| Ojos tristes | | tango | | Oscar Nelson | spa | 1946 | 02:39 | 07730725821422-1-7 |
| Ojos tristes | Ojos muertos | T0370021821 | tango | Astor Piazzolla | Héctor Insúa | spa | 1947-01-02 | 02:21 | 03561302500423-2-15 |
| Ojos tristes | Ojos muertos | T0370021821 | tango | Astor Piazzolla | Héctor Insúa | spa | 1947-01-02 | 02:23 | 04988006756632-1-9 |
| Ojos tristes | Ojos muertos | T0370021821 | tango | Astor Piazzolla | Héctor Insúa | spa | 1947-01-02 | 02:21 | 02480002007920-1-13 |
| Ojos tristes | Ojos muertos | T0370021821 | tango | Astor Piazzolla | Héctor Insúa | spa | 1947-01-02 | | 07798097198092-2-11 |
| Ojos tristes | Ojos muertos | T0370021821 | tango | Astor Piazzolla | Héctor Insúa | spa | 1947-01-02 | | 02480002726166-2-1 |
| Ojos tristes | Ojos muertos | T0370021821 | tango | Astor Piazzolla | Héctor Insúa | spa | 1947-01-02 | 02:24 | 07798145106086-1-5 |
| Ojos tristes | Ojos muertos | T0370021821 | tango | Astor Piazzolla | Héctor Insúa | spa | 1947-01-02 | 03:13 | 04011222327543-6-13 |
| Ojos tristes | Ojos muertos | T0370021821 | tango | Astor Piazzolla | Héctor Insúa | spa | 1947-01-02 | 02:21 | 08427328146111-2-8 |
| Ojos tristes | Ojos muertos | T0370021821 | tango | Astor Piazzolla | Héctor Insúa | spa | 1947-01-02 | 02:20 | 08427328130318-1-8 |
| Ojos tristes | Ojos muertos | T0370021821 | tango | Astor Piazzolla | Héctor Insúa | spa | 1947-01-02 | 02:21 | 07798108080576-2-9 |
| Ojos tristes | Ojos muertos | T0370021821 | tango | | Alberto Marino | spa | 1958--1960 | 02:42 | 00828766408720-1-15 |
| Ojos verdes | T0370021832 | vals | Francisco Canaro | Francisco Amor | spa | 1939-05-08 | 02:37 | 02480002010524-1-13 |
| Ojos verdes | T0370021832 | vals | Francisco Canaro | Francisco Amor | spa | 1939-05-08 | | 02480002102656-1-4 |
| Ojos verdes | T0370021832 | vals | Francisco Canaro | Francisco Amor | spa | 1939-05-08 | 02:28 | 02480002040958-1-1 |
| Ojos verdes | T0370021832 | vals | Francisco Canaro | Francisco Amor | spa | 1939-05-08 | 02:37 | 02480002153108-1-13 |
| Ojos verdes | | vals | Francisco Canaro | Carlos Roldán | spa | 1943-05-26 | 03:22 | 02480002041047-1-15 |
| Ojos verdes | | vals | Francisco Lomuto | Alberto Rivera | spa | 1943-06-29 | 02:27 | 04024236203697-1-12 |
| Ojos verdes | | vals | Francisco Lomuto | Alberto Rivera | spa | 1943-06-29 | 02:27 | 02480002044482-1-7 |
| Olé! Buenos Aires | | paso doble | Adolfo Carabelli | Charlo | spa | 1932-03-29 | 03:08 | 02480002042402-1-5 |
| Olga | T0370021854 | vals | Rafael Rossi | -unspecified male- | spa | | 03:27 | 00724354170829-1-2 |
| Olimpia | | tango | Francisco Canaro | Ernesto Famá | spa | 1939-09-14 | 02:22 | 02480002040958-1-13 |
| Olvídala | T0370153200 | tango | Eduardo Bianco | -unspecified male- | spa | 1935 | 03:00 | 00008637212124-1-17 |
| Olvídala | T0370153200 | tango | Eduardo Bianco | Federico Linae | spa | 1935 | 02:57 | 02480002101222-1-157 |
| Olvídame | T0370021865 | tango | Rafael Canaro | Luis Mariano | spa | | 02:40 | 02480002152323-1-21 |
| Olvídame | T0370021865 | tango | Rafael Canaro | Luis Mariano | spa | 1937 | | 02480002032052-1-11 |
| Olvídame | T0370021865 | tango | Francisco Canaro | Roberto Maida | spa | 1938-11-18 | 02:39 | 02480002007715-1-17 |
| Olvídame | T0370021865 | tango | Francisco Canaro | Roberto Maida | spa | 1938-11-18 | 02:39 | 02480002153009-1-17 |
| Olvídame | T0370021865 | tango | Francisco Canaro | Roberto Maida | spa | 1938-11-18 | 02:40 | 02480002102991-1-22 |
| Olvídame | T0370021865 | tango | Francisco Canaro | Roberto Maida | spa | 1938-11-18 | 02:33 | 02480002040927-1-20 |
| Olvídame | T0370021865 | tango | Rafael Canaro | Luis Mariano | spa | 1939 | | 02480002102854-1-23 |
| Olvídame | T0370021865 | tango | Juan D'Arienzo | Alberto Echagüe | spa | 1939-05-30 | 02:24 | 02480002027720-1-13 |
| Olvídame | T0370021865 | tango | Juan D'Arienzo | Alberto Echagüe | spa | 1939-05-30 | 02:23 | 00743216335923-1-8 |
| Olvídame | T0370021865 | tango | Juan D'Arienzo | Alberto Echagüe | spa | 1939-05-30 | 02:23 | 02480002335146-1-2 |
| Olvídame | T0370021865 | tango | Juan D'Arienzo | Alberto Echagüe | spa | 1939-05-30 | 02:22 | 02480002337133-1-2 |
| Olvídame | T0370021865 | tango | Juan D'Arienzo | Alberto Echagüe | spa | 1939-05-30 | | 02480002331001-1-6 |
| Olvídame | T0370021865 | tango | Juan D'Arienzo | Alberto Echagüe | spa | 1939-05-30 | 02:22 | 02480002003052-1-20 |
| Olvídame | T0370021865 | tango | Juan D'Arienzo | Alberto Echagüe | spa | 1939-05-30 | 02:25 | 00743212215229-1-6 |
| Olvídame | T0370021865 | tango | Juan D'Arienzo | Alberto Echagüe | spa | 1939-05-30 | | 02480002101321-1-81 |
| Olvidao | T0370021876 | tango | | Edmundo Rivero | spa | | 02:27 | 05204833005132-1-7 |
| Olvidao | T0370021876 | tango | -unspecified guitars- | Edmundo Rivero | spa | | | 02480002735397-2-1 |
| Olvidao | T0370021876 | tango | | Edmundo Rivero | spa | | 02:23 | 00828765442725-1-7 |
| Olvidao | T0370021876 | tango | -unspecified guitars- | Edmundo Rivero | spa | | 02:24 | 08427328140072-1-17 |
| Olvidao | T0370021876 | tango | -unspecified guitars- | Edmundo Rivero | spa | | | 02480002330455-1-3 |
| Olvidao | T0370021876 | tango | | Edmundo Rivero | spa | | 02:22 | 02480002028062-1-7 |
| Olvidao | T0370021876 | tango | -unspecified guitars- | Edmundo Rivero | spa | | 02:23 | 07798108080286-2-14 |
| Olvidao | T0370021876 | tango | Adolfo Carabelli | Charlo | spa | 1932-03-18 | 02:56 | 05204833007099-1-11 |
| Olvidao | T0370021876 | tango | Adolfo Carabelli | Charlo | spa | 1932-03-18 | | 02480002032304-1-2 |
| Olvidao | T0370021876 | tango | Adolfo Carabelli | Charlo | spa | 1932-03-18 | 02:58 | 02480002042327-1-11 |
| Olvidao | T0370021876 | tango | Adolfo Carabelli | Charlo | spa | 1932-03-18 | 02:57 | 02480002201526-1-7 |
| Olvidao | T0370021876 | tango | Adolfo Carabelli | Charlo | spa | 1932-03-18 | | 02480002030232-1-12 |
| Olvidao | T0370021876 | tango | Adolfo Carabelli | Charlo | spa | 1932-03-18 | 02:55 | 02480002152477-1-5 |
| Olvidao | T0370021876 | tango | Adolfo Carabelli | Charlo | spa | 1932-03-18 | 02:56 | 02480002335115-1-1 |
| Olvidao | T0370021876 | tango | Adolfo Carabelli | Charlo | spa | 1932-03-18 | 02:58 | 02480002116226-1-6 |
| Olvidao | T0370021876 | tango | Adolfo Carabelli | Charlo | spa | 1932-03-18 | 02:51 | 08427328130875-1-7 |
| Olvidao | T0370021876 | tango | -unspecified guitars- | Charlo | spa | 1932-03-21 | | 02480002150121-1-18 |
| Olvidao | T0370021876 | tango | -unspecified guitars- | Charlo | spa | 1932-03-21 | 02:41 | 02480002043096-1-14 |
| Olvidao | T0370021876 | tango | Juan D'Arienzo | Alberto Reynal | spa | 1941-07-29 | 02:41 | 02480002335146-1-4 |
| Olvidao | T0370021876 | tango | Juan D'Arienzo | Alberto Reynal | spa | 1941-07-29 | 02:39 | 00828766032222-1-17 |
| Olvidao | T0370021876 | tango | Juan D'Arienzo | Alberto Reynal | spa | 1941-07-29 | 02:38 | 02480002337249-2-5 |
| Olvidao | T0370021876 | tango | Juan D'Arienzo | Alberto Reynal | spa | 1941-07-29 | | 02480002761556-1-1 |
| Olvidao | T0370021876 | tango | Juan D'Arienzo | Alberto Reynal | spa | 1941-07-29 | 02:42 | 02480002003083-1-12 |
| Olvidao | T0370021876 | tango | Juan D'Arienzo | Alberto Reynal | spa | 1941-07-29 | 02:38 | 02480002335528-1-6 |
| Olvidao | T0370021876 | tango | Juan D'Arienzo | Alberto Reynal | spa | 1941-07-29 | | 02480002101321-1-82 |
| Olvidao | T0370021876 | tango | Juan D'Arienzo | Alberto Reynal | spa | 1941-07-29 | 02:41 | 02480002027737-1-19 |
| Olvidao | T0370021876 | tango | Enrique Francini, Armando Pontier | Julio Sosa | spa | 1953-02-27 | 03:18 | 00743212231120-1-12 |
| Olvidao | T0370021876 | tango | Enrique Francini, Armando Pontier | Julio Sosa | spa | 1953-02-27 | 03:25 | 04024236200283-1-2 |
| Olvidao | T0370021876 | tango | Enrique Francini, Armando Pontier | Julio Sosa | spa | 1953-02-27 | | 07798067332419-1-12 |
| Olvidao | T0370021876 | tango | Enrique Francini, Armando Pontier | Julio Sosa | spa | 1953-02-27 | 03:15 | 07798108081832-1-20 |
| Olvidao | T0370021876 | tango | Enrique Francini, Armando Pontier | Julio Sosa | spa | 1953-02-27 | | 02480002030720-1-5 |
| Olvidao | T0370021876 | tango | Enrique Francini, Armando Pontier | Julio Sosa | spa | 1953-02-27 | 03:17 | 07798067332471-1-19 |
| Olvidao | T0370021876 | tango | Enrique Francini, Armando Pontier | Julio Sosa | spa | 1953-02-27 | 03:26 | 00828767207926-1-7 |
| Olvidao | T0370021876 | tango | Enrique Francini, Armando Pontier | Julio Sosa | spa | 1953-02-27 | 03:07 | 08427328130561-1-12 |
| Olvidao | T0370021876 | tango | Enrique Francini, Armando Pontier | Julio Sosa | spa | 1953-02-27 | 03:17 | 07798108080392-1-13 |
| Olvidao | T0370021876 | tango | Osvaldo Pugliese | Juan Carlos Cobos | spa | 1953-08-06 | 02:55 | 00724352910823-1-10 |
| Olvidao | T0370021876 | tango | Osvaldo Pugliese | Juan Carlos Cobos | spa | 1953-08-06 | 02:55 | 00724385512520-1-13 |
| Olvidao | T0370021876 | tango | Osvaldo Pugliese | Juan Carlos Cobos | spa | 1953-08-06 | 03:01 | 04024236201112-1-7 |
| Olvidemos el color | T0464681706 | candombe | Ángel F. Condercuri | Alberto Castillo | spa | 1965 | | 02480002333920-2-5 |
| Olvidemos el color | T0464681706 | candombe | Ángel F. Condercuri | Alberto Castillo | spa | 1965 | 02:24 | 02480002041696-1-4 |
| Olvidemos todo | T0370650342 | tango | Juan D'Arienzo | Jorge Valdez | spa | 1963-09-16 | 02:57 | 00743218625121-1-21 |
| Olvido | Z0000002340 | tango | Armando Pontier | Roberto Goyeneche | spa | | | 02480002330912-1-1 |
| Olvido | Z0000002340 | tango | Armando Pontier | Roberto Goyeneche | spa | | | 02480002333845-1-1 |
| Olvido | Z0000002340 | tango | | Roberto Goyeneche | spa | | 02:43 | 02480002028574-1-3 |
| Olvido | Z0000002340 | tango | Armando Pontier | Roberto Goyeneche | spa | | 02:45 | 00743217138721-1-7 |
| Olvido | Z0000002340 | tango | | Roberto Goyeneche | spa | | 02:46 | 00743211891622-1-7 |
| Olvido | Z0000002340 | tango | Armando Pontier | Roberto Goyeneche | spa | | 02:43 | 00828766425420-1-5 |
| Olvido | Z0999900025 | tango | Horacio Pettorossi | -unspecified male- | spa | 1931 | 02:18 | 02480002150770-1-20 |
| Olvido | Z0999900025 | tango | Horacio Pettorossi | -unspecified male- | spa | 1931 | 02:22 | 02480002114628-1-2 |
| Olvido | Z0999900025 | tango | Horacio Pettorossi | -unspecified male- | spa | 1931 | | 02480002030416-1-8 |
| Olvido | Z0999900025 | tango | Horacio Pettorossi | -unspecified male- | spa | 1931 | 02:21 | 00008637212124-1-11 |
| Olvido | Z0000002340 | tango | Francisco Canaro | Charlo | spa | 1935-12-31 | 02:36 | 08427328131483-1-6 |
| Olvido | Z0000002340 | tango | Francisco Canaro | Charlo | spa | 1935-12-31 | 02:35 | 00724347759826-1-18 |
| Olvido | Z0000002340 | tango | Francisco Canaro | Charlo | spa | 1935-12-31 | 02:39 | 05099964048024-7-13 |
| Olvido | Z0000002340 | tango | Francisco Canaro | Charlo | spa | 1935-12-31 | 02:35 | 02480002028222-1-2 |
| Olvido | Z0000002340 | tango | Francisco Canaro | Charlo | spa | 1935-12-31 | | 02480002743545-1-1 |
| Olvido | Z0000002340 | tango | Francisco Canaro | Charlo | spa | 1935-12-31 | 02:43 | 02480002043119-1-12 |
| Olvido | Z0000002340 | tango | Francisco Canaro | Charlo | spa | 1935-12-31 | | 02480002032304-1-8 |
| Olvido | Z0000002340 | tango | Francisco Canaro | Roberto Maida | spa | 1936-03-18 | 02:36 | 02480002040842-1-1 |
| Olvido | Z0000002340 | tango | Armando Pontier | Roberto Goyeneche | spa | 1968-09-23 | 02:41 | 02480002041887-1-8 |
| O (“O”) | | tango | Luciano Leocata | Oscar Macri | spa | 1957 | 02:42 | 02480002004073-1-19 |
| Opa opa | Z0000001518 | ? | | Jorge Sareli | spa | | 03:04 | 00099441190722-1-15 |
| Operate el trigemino | T0374628155 | tango | Minotti Di Cicco | Antonio Buglione | spa | 1930 | 03:00 | 02480002006121-1-9 |
| Operate el trigemino | T0374628155 | tango | Minotti Di Cicco | Antonio Buglione | spa | 1930 | 02:57 | 02480002118022-1-9 |
| Operate el trigemino | T0374628155 | tango | Minotti Di Cicco | Antonio Buglione | spa | 1930 | 02:58 | 02480002153191-1-9 |
| O que e que a Baiana tem | Que es lo que tiene la bahiana | T0721428790 | arreglo en tango | Francisco Canaro | Ernesto Famá | spa | 1939-09-11 | 03:02 | 02480002153092-1-12 |
| O que e que a Baiana tem | Que es lo que tiene la bahiana | T0721428790 | arreglo en tango | Francisco Canaro | Ernesto Famá | spa | 1939-09-11 | 02:58 | 00743625545623-1-24 |
| O que e que a Baiana tem | Que es lo que tiene la bahiana | T0721428790 | arreglo en tango | Francisco Canaro | Ernesto Famá | spa | 1939-09-11 | 03:02 | 02480002007722-1-12 |
| Oración | | vals | Rafael Canaro | Carlos Dante | spa | 1930 | 03:08 | 02480002044987-1-12 |
| Oración | T9007599646 | tango | Bachicha | Teresita Asprella | spa | 1930 | 03:23 | 02480002152255-1-5 |
| Oración | T9007599646 | tango | Bachicha | Emilia García | spa | 1930 | 03:23 | 02480002119326-1-5 |
| Oración | T9007599646 | tango | Bachicha | Emilia García | spa | 1930 | 03:19 | 02480002101222-1-175 |
| Oración | T9007599646 | tango | Bachicha | Teresita Asprella | spa | 1930 | | 02480002031567-1-13 |
| Oración | T9007599646 | tango | Bachicha | Emilia García | spa | 1930-05 | 03:23 | 02480002009542-1-13 |
| Oración | T9007599646 | tango | Bachicha | Emilia García | spa | 1930-05 | 03:21 | 02480002336075-2-5 |
| Oración | T0370039216 | ? | -unspecified guitars- | Agustín Magaldi, Pedro Noda | spa | 1933-10-03 | 03:25 | 05204833004715-1-14 |
| Oración | T0370039216 | tango | | Agustín Magaldi | spa | 1933-10-03 | 03:24 | 07798067339562-1-14 |
| Oración | T0370039216 | ? | -unspecified guitars- | Agustín Magaldi, Pedro Noda | spa | 1933-10-03 | 03:18 | 08427328130684-1-16 |
| Oración | T0370039216 | canción | | Agustín Magaldi, Pedro Noda | spa | 1933-10-03 | | 02480002330219-2-4 |
| Oración | Z0999900989 | tango | Francisco Lomuto | Jorge Omar | spa | 1935-07-04 | 02:33 | 02480002044376-1-12 |
| Oración | Z0999900989 | tango | Francisco Lomuto | Jorge Omar | spa | 1935-07-04 | 02:30 | 02480002002260-1-21 |
| Oración | Z0999900989 | tango | Francisco Lomuto | Jorge Omar | spa | 1935-07-04 | 02:35 | 04024236203727-1-4 |
| Oración | Z0999900989 | tango | Francisco Lomuto | Jorge Omar | spa | 1935-07-04 | | 02480002713333-2-1 |
| Oración a la justicia | T0371091870 | ? | | Susana Rinaldi | spa | | | 00731454260022-2-19 |
| Oración a la justicia | T0371091870 | ? | | Susana Rinaldi | spa | | 02:53 | 07798123083538-1-23 |
| Oracion a la propaganda | Z0000339603 | ? | | Susana Rinaldi | spa | | 02:54 | 07798123083538-1-15 |
| Oración campera | T0464002650 | zamba | -unspecified guitars- | Agustín Magaldi, Pedro Noda | spa | | | 02480002714064-2-1 |
| Oración criolla | T0370212240 | tango | | Hernán Salinas | spa | 1977-05-09 | 03:50 | 00094636269320-1-9 |
| Oración peruana | | tango | | | spa | 1956-06-01 | 03:21 | 02480002045007-1-3 |
| Oración rante | Z0000095596 | tango | José Sala | Carlos Yanel | spa | | | 02480002731535-2-1 |
| Oración rante | Z0000095596 | tango | -unspecified guitars- | Edmundo Rivero | spa | | | 02480002736462-1-1 |
| Oración rante | Z0000095596 | tango | -unspecified guitars- | Jorge Vidal | spa | | | 02480002334484-1-5 |
| Oración rante | Z0000095596 | tango | -unspecified guitars- | Jorge Vidal | spa | | 02:23 | 04024236204335-1-8 |
| Oración rante | Z0000095596 | tango | -unspecified guitars- | Jorge Vidal | spa | | 02:23 | 08427328140195-1-18 |
| Oración rante | Z0000095596 | tango | Roberto Caló | Enrique Campos | spa | 1953 | 03:14 | 02480002004127-1-5 |
| Oración rante | Z0000095596 | tango | José Sala | Carlos Yanel | spa | 1953--1954 | 02:52 | 00828768475126-1-8 |
| Oración rante | Z0000095596 | tango | | Edmundo Rivero | spa | 1954 | 02:14 | 04024236200801-1-6 |
| Oración rante | Z0000095596 | tango | José Sala | Carlos Yanel | spa | 1954 | 02:55 | 02480002126621-1-13 |
| Oración rante | Z0000095596 | tango | Miguel Caló | Alberto Podestá | spa | 1954-03-05 | 03:01 | 04024236202270-1-2 |
| Oración rante | Z0000095596 | tango | Miguel Caló | Alberto Podestá | spa | 1954-03-05 | 03:07 | 02480002043508-1-4 |
| Oración rante | Z0000095596 | tango | Miguel Caló | Alberto Podestá | spa | 1954-03-05 | 03:02 | 02480002128427-1-18 |
| Oración rante | Z0000095596 | tango | Armando Lacava | Ángel Vargas | spa | 1954-04-23 | 02:53 | 07798108080552-1-7 |
| Oración rante | Z0000095596 | tango | Armando Lacava | Ángel Vargas | spa | 1954-04-23 | | 02480002331889-2-1 |
| Oración rante | Z0000095596 | tango | Armando Lacava | Ángel Vargas | spa | 1954-04-23 | 02:51 | 00743216333929-1-6 |
| Oración rante | Z0000095596 | tango | Armando Lacava | Ángel Vargas | spa | 1954-04-23 | 02:49 | 08427328130790-1-15 |
| Oración rante | Z0000095596 | tango | Armando Lacava | Ángel Vargas | spa | 1954-04-23 | 02:53 | 00743216372126-1-19 |
| Oración rante | Z0000095596 | tango | Armando Lacava | Ángel Vargas | spa | 1954-04-23 | | 02480002333654-2-1 |
| Oración rante | Z0000095596 | tango | Armando Lacava | Ángel Vargas | spa | 1954-04-23 | 02:58 | 02480002041788-1-19 |
| Oración rante | Z0000095596 | tango | Ismael Spitalnik | Aldo Calderón | spa | 1954-05-04 | 02:48 | 00828766025620-1-13 |
| Oración rante | Z0000095596 | tango | Roberto Chanel | Roberto Chanel | spa | 1954-06-21 | 02:47 | 00743219889324-1-4 |
| Oración rante | Z0000095596 | tango | Alfredo De Angelis | Oscar Larroca | spa | 1954-06-23 | 02:54 | 00724354169526-1-1 |
| Organillero | | marcha | Edgardo Donato | Horacio Lagos | spa | 1941-06-11 | 03:00 | 04024236202515-1-2 |
| Organillero | | paso doble marcha | Edgardo Donato | Horacio Lagos | spa | 1941-06-11 | 03:03 | 02480002041542-1-14 |
| Organito | | ? | | Cristóbal Repetto | spa | | 02:55 | 00028947751212-1-12 |
| Organito | Z0999901107 | tango | Enrique Delfino, Manuel Parada | Azucena Maizani | spa | 1927 | 03:03 | 02480002008460-1-6 |
| Organito | Z0999901107 | tango | Enrique Delfino, Manuel Parada | Azucena Maizani | spa | 1927-12-09 | 03:05 | 02480002335429-2-1 |
| Organito callejero | Z0002352444 | tango | Orquesta Típica Victor | Francisco Fiorentino | spa | 1931-07-07 | 02:47 | 02480002153399-1-2 |
| Organito callejero | Z0002352444 | tango | Orquesta Típica Victor | Francisco Fiorentino | spa | 1931-07-07 | 02:47 | 00828767019925-1-6 |
| Organito callejero | Z0002352444 | tango | Orquesta Típica Victor | Francisco Fiorentino | spa | 1931-07-07 | 02:49 | 02480002112921-1-3 |
| Organito callejero | Z0002352444 | tango | Orquesta Típica Victor | Francisco Fiorentino | spa | 1931-07-07 | 02:50 | 02480002044642-1-16 |
| Organito callejero | Z0002352444 | tango | Orquesta Típica Victor | Francisco Fiorentino | spa | 1931-07-07 | 02:46 | 04024236204397-1-9 |
| Organito callejero | Z0002352444 | tango | Orquesta Típica Victor | Francisco Fiorentino | spa | 1931-07-07 | 02:46 | 07798108081986-1-9 |
| Organito callejero | Z0002352444 | tango | Orquesta Típica Victor | Francisco Fiorentino | spa | 1931-07-07 | 02:50 | 02480002001133-1-16 |
| Organito callejero | Z0002352444 | tango | Orquesta Típica Victor | Francisco Fiorentino | spa | 1931-07-07 | 02:49 | 02480002101123-2-187 |
| Organito callejero | Z0002352444 | tango | Orquesta Típica Victor | Francisco Fiorentino | spa | 1931-07-07 | 02:49 | 02480002028468-1-12 |
| Organito del amor | T0370504214 | milonga | Fulvio Salamanca | Carlos Nogués | spa | 1964 | 03:56 | 02480002041375-1-6 |
| Organito del amor | T0370504214 | milonga | Fulvio Salamanca | Carlos Nogués | spa | 1964 | 02:18 | 02480002041337-1-18 |
| Organito de la tarde | T0370021978 | tango | | Libertad Lamarque | spa | | | 02480002331605-2-5 |
| Organito de la tarde | T0370021978 | tango | | Alberto Marino | spa | | 02:51 | 07798067339623-1-4 |
| Organito de la tarde | T0370021978 | tango | | Susana Rinaldi | spa | | 02:29 | 00043011528026-1-12 |
| Organito de la tarde | T0370021978 | tango | | Alberto Marino | spa | | 02:49 | 05099964048024-7-15 |
| Organito de la tarde | T0370021978 | tango | | Susana Rinaldi | spa | | 02:30 | 08427328145022-1-12 |
| Organito de la tarde | T0370021978 | tango | -unspecified guitars- | Alberto Gómez | spa | 1900--1969 | 02:31 | 00886971625424-1-7 |
| Organito de la tarde | T0370021978 | tango | Francisco Canaro | Azucena Maizani | spa | 1925 | 03:22 | 02480002120827-1-1 |
| Organito de la tarde | T0370021978 | tango | Guillermo Barbieri, José Ricardo | Carlos Gardel | spa | 1925 | 03:01 | 00008637214524-1-5 |
| Organito de la tarde | T0370021978 | tango | Guillermo Barbieri, José Ricardo | Carlos Gardel | spa | 1925 | 03:09 | 08427328130530-1-3 |
| Organito de la tarde | T0370021978 | tango | Francisco Canaro | Azucena Maizani | spa | 1925 | 03:22 | 02480002150350-1-1 |
| Organito de la tarde | T0370021978 | tango | Guillermo Barbieri, José Ricardo | Carlos Gardel | spa | 1925 | | 02480002029168-1-12 |
| Organito de la tarde | T0370021978 | tango | Guillermo Barbieri, José Ricardo | Carlos Gardel | spa | 1925 | 03:10 | 05204833007662-1-19 |
| Organito de la tarde | T0370021978 | tango | Guillermo Barbieri, José Ricardo | Carlos Gardel | spa | 1925 | | 02480002781080-2-1 |
| Organito de la tarde | T0370021978 | tango | Francisco Canaro | Azucena Maizani | spa | 1925 | 03:25 | 02480002335221-1-1 |
| Organito de la tarde | T0370021978 | tango | Guillermo Barbieri, José Ricardo | Carlos Gardel | spa | 1925 | | 02480002101420-1-270 |
| Organito de la tarde | T0370021978 | tango | Francisco Canaro | Azucena Maizani | spa | 1925-05 | 03:19 | 02480002008477-1-7 |
| Organito de la tarde | T0370021978 | tango | -unspecified orchestra- | Nelly Omar | spa | 1945 | 04:34 | 07798089730385-1-11 |
| Organito de la tarde | T0370021978 | tango | Gabriel Clausi | Chito Faró | spa | 1946 | 03:05 | 02480002102106-1-8 |
| Organito de la tarde | T0370021978 | tango | Emilio Balcarce | Alberto Marino | spa | 1947-04-09 | 02:45 | 08427328131049-1-5 |
| Organito de la tarde | T0370021978 | tango | Emilio Balcarce | Alberto Marino | spa | 1947-04-09 | 02:52 | 02480002107927-1-14 |
| Organito de la tarde | T0370021978 | tango | Emilio Balcarce | Alberto Marino | spa | 1947-04-09 | 02:50 | 00724385642128-1-1 |
| Organito de la tarde | T0370021978 | tango | Emilio Balcarce | Alberto Marino | spa | 1947-04-09 | 02:50 | 02480002041726-1-1 |
| Organito de la tarde | T0370021978 | tango | Emilio Balcarce | Alberto Marino | spa | 1947-04-09 | 02:49 | 08427328020671-1-6 |
| Organito de la tarde | T0370021978 | tango | Emilio Balcarce | Alberto Marino | spa | 1947-04-09 | 02:47 | 02480002027256-1-13 |
| Organito de la tarde | T0370021978 | tango | Leo Lipesker | Roberto Rufino | spa | 1959-02-05 | 02:46 | 00886974314820-1-17 |
| Organito de la tarde | T0370021978 | tango | Florindo Sassone | Andrés Peyró | spa | 1959-10-08 | 03:06 | 00724347760228-1-3 |
| Organito de la tarde | T0370021978 | tango | Florindo Sassone | Andrés Peyró | spa | 1959-10-08 | 03:07 | 02480002043256-1-11 |
| Organito del suburbio | T0370131035 | tango | Juan Félix Maglio | Roberto Basso | spa | 1929-05-22 | 03:00 | 02480002336617-2-3 |
| Organito del suburbio | T0370131035 | tango | Juan Félix Maglio | Roberto Basso | spa | 1929-06-03 | 03:04 | 02480002201724-1-7 |
| Organito del suburbio | T0370131035 | tango | Juan Félix Maglio | Roberto Basso | spa | 1929-06-03 | 03:03 | 02480002108320-1-2 |
| Organito del suburbio | T0370131035 | tango | Juan Félix Maglio | Roberto Basso | spa | 1929-06-03 | | 02480002031888-1-1 |
| Organito del suburbio | T0370131035 | tango | Juan Félix Maglio | Roberto Basso | spa | 1929-06-03 | 03:04 | 02480002152729-1-13 |
| Organito del suburbio | T0370131035 | tango | Juan Félix Maglio | Roberto Basso | spa | 1929-06-03 | 03:05 | 02480002153269-1-2 |
| Organito del suburbio | T0370131035 | tango | Juan Félix Maglio | Roberto Basso | spa | 1929-06-03 | 03:02 | 02480002152019-1-15 |
| Organito del suburbio | T0370131035 | tango | Juan Félix Maglio | Roberto Basso | spa | 1929-06-03 | 03:01 | 08427328140256-1-19 |
| Organito del suburbio | T0370131035 | tango | Juan Félix Maglio | Roberto Basso | spa | 1929-06-03 | 03:05 | 02480002007210-1-13 |
| Organito del suburbio | T0370131035 | tango | Roberto Firpo | Teófilo Ibáñez | spa | 1929-06-26 | 03:02 | 02480002153320-1-12 |
| Organito del suburbio | T0370131035 | tango | Roberto Firpo | Teófilo Ibáñez | spa | 1929-06-26 | 03:00 | 04024236202768-1-9 |
| Organito del suburbio | T0370131035 | tango | Roberto Firpo | Teófilo Ibáñez | spa | 1929-06-26 | 03:04 | 02480002007418-1-17 |
| Organito del suburbio | T0370131035 | tango | Roberto Firpo | Teófilo Ibáñez | spa | 1929-10-26 | 02:59 | 02480002042129-1-9 |
| Orgullo puntano | | zamba | -unspecified guitars- | Alberto Vila, Alberto Gómez | spa | | | 02480002738602-2-1 |
| Orgullo tanguero | T0370469650 | tango | Jorge Dragone | Argentino Ledesma | spa | | | 02480002032267-1-2 |
| Orgullo tanguero | T0370469650 | tango | Jorge Dragone | Argentino Ledesma | spa | | 02:50 | 02480002028673-1-12 |
| Orgullo tanguero | T0370469650 | tango | | Alberto Gómez | spa | | 02:12 | 00828765076227-1-1 |
| Orgullo tanguero | T0370469650 | tango | Jorge Dragone | Argentino Ledesma | spa | | 02:50 | 00724349998223-1-13 |
| Orgullo tanguero | T0370469650 | tango | Jorge Dragone | Argentino Ledesma | spa | | 02:52 | 00724382861928-1-13 |
| Orgullo tanguero | T0370469650 | tango | | Alberto Gómez | spa | | 02:12 | 00743217050320-6-2 |
| Orgullo tanguero | T0370469650 | tango | Luis Stazo | Ángel Vargas | spa | | 02:45 | 02480002150114-1-21 |
| Orgullo tanguero | T0370469650 | ? | -unspecified guitars- | Alberto Gómez | spa | 1900--1969 | 02:08 | 00886971625424-1-1 |
| Orgullo tanguero | | tango | Luis Stazo | Ángel Vargas | spa | 1959 | 02:39 | 02480002041801-1-22 |
| Orgullo tanguero | T0370469650 | tango | Alfredo De Angelis | Lalo Martel | spa | 1959-08-18 | 03:09 | 00724354169625-1-5 |
| Orgullo tanguero | T0370469650 | tango | Alfredo De Angelis | Lalo Martel | spa | 1959-08-18 | | 02480002725077-2-1 |
| Orgullo tanguero | T0370469650 | tango | Leo Lipesker | Roberto Rufino | spa | 1959-08-20 | 02:42 | 00886974314820-1-20 |
| Orgullo tanguero | T0370469650 | tango | Pedro Maffia | Alberto Gómez | spa | 1959--1960 | 03:08 | 02480002152552-1-12 |
| Orgullo tanguero | T0370469650 | tango | Luis Stazo | Julián Centeya | spa | 1972-07-12 | 02:54 | 00094637207123-1-12 |
| Oriente | T0370214359 | tango | Juan Sánchez Gorio | Luis Mendoza | spa | | | 04024236203246-1-6 |
| Oriente | T0370214359 | tango | Juan Sánchez Gorio | Luis Mendoza | spa | 1944-08-18 | 03:27 | 02480002152668-1-1 |
| Oriente | T0370214359 | tango | Juan Sánchez Gorio | Luis Mendoza | spa | 1944-08-18 | 03:25 | 02480002004134-1-1 |
| Oriente | T0370214359 | tango | Juan Sánchez Gorio | Luis Mendoza | spa | 1944-08-18 | 03:23 | 02480002101222-2-185 |
| Oriente | T0370214359 | tango | Juan Sánchez Gorio | Luis Mendoza | spa | 1944-08-18 | | 02480002736509-1-1 |
| Oriente | T0370214359 | tango | Lucio Demare | Horacio Quintana | spa | 1944-10-11 | | 02480002705260-2-1 |
| Oriente | T0370214359 | tango | Lucio Demare | Horacio Quintana | spa | 1944-10-11 | 03:02 | 00724352913220-1-15 |
| Oriente | T0370214359 | tango | Lucio Demare | Horacio Quintana | spa | 1944-10-11 | 03:05 | 02480002124429-1-16 |
| Oriente | T0370214359 | tango | Lucio Demare | Horacio Quintana | spa | 1944-10-11 | 03:05 | 07798108080545-1-20 |
| Oriente | T0370214359 | tango | Lucio Demare | Horacio Quintana | spa | 1944-10-11 | 03:09 | 02480002102939-1-9 |
| Oriente | T0370214359 | tango | Lucio Demare | Horacio Quintana | spa | 1944-10-11 | 03:03 | 04024236204229-1-18 |
| Oriente | T0370214359 | tango | Lucio Demare | Horacio Quintana | spa | 1944-10-11 | 03:06 | 02480002042976-1-17 |
| Oriente | T0370214359 | tango | Lucio Demare | Horacio Quintana | spa | 1944-10-11 | 03:00 | 02480002007531-1-20 |
| Oriente | T0370214359 | tango | Juan Sánchez Gorio | Luis Mendoza | spa | 1952 | 03:19 | 02480002004134-1-15 |
| Oriente | T0370214359 | tango | Juan Sánchez Gorio | Luis Mendoza | spa | 1952 | 03:22 | 02480002152668-1-15 |
| Oriente | T0370214359 | tango | Juan Sánchez Gorio | Luis Mendoza | spa | 1952 | 03:10 | 02480002335542-1-5 |
| Oriente | T0370214359 | tango | Juan Sánchez Gorio | Luis Mendoza | spa | 1952 | | 02480002736516-1-1 |
| Origami | | ? | | -unspecified female- | spa | | 03:45 | 07798010679004-1-1 |
| Orilla | | milonga | | Rubén Maciel, Rubén Sánchez | spa | 1960 | 02:04 | 02480002043393-1-13 |
| Orillando un cañadón | | canción | -unspecified guitars- | Charlo | spa | 1937-06-02 | 03:14 | 02480002043126-1-7 |
| Orillas del plata | T0370022017 | vals | Juan Félix Maglio | Carlos Viván | spa | 1930-03-15 | 03:11 | 02480002010531-1-11 |
| Orlando Goñi | T0370057650 | tango | | Ricardo Olivera | spa | 2009 | 02:58 | 07730725831827-1-6 |
| Oro | T0370407605 | ? | Juan Sánchez Gorio | Luis Mendoza | spa | 1957-04-01 | | 00886971402421-1-10 |
| Oro, copa, espada y basto | T0370357199 | tango | -unspecified guitars- | Agustín Magaldi | spa | 1935-10-31 | | 02480002032137-1-11 |
| Oro, copa, espada y basto | T0370357199 | tango | -unspecified guitars- | Agustín Magaldi | spa | 1935-10-31 | 03:13 | 04024236200689-1-11 |
| Oro, copa, espada y basto | T0370357199 | tango | -unspecified guitars- | Agustín Magaldi | spa | 1935-10-31 | 03:23 | 02480002101222-3-179 |
| Oro, copa, espada y basto | T0370357199 | tango | -unspecified guitars- | Agustín Magaldi | spa | 1935-10-31 | 03:23 | 08427328131179-1-14 |
| Oro, copa, espada y basto | T0370357199 | tango | -unspecified guitars- | Agustín Magaldi | spa | 1935-10-31 | 03:16 | 07798108081924-2-7 |
| Oro de ley | T0370221730 | milonga | Juan D'Arienzo | Alberto Echagüe | spa | 1944-12-15 | 02:12 | 00828766408621-1-11 |
| Oro de ley | T0370221730 | milonga | Juan D'Arienzo | Alberto Echagüe | spa | 1944-12-15 | | 02480002334880-2-1 |
| Oro de ley | T0370221730 | milonga | Juan D'Arienzo | Alberto Echagüe | spa | 1944-12-15 | 02:09 | 02480002331261-1-6 |
| Oro de ley | T0370221730 | milonga | Juan D'Arienzo | Alberto Echagüe | spa | 1944-12-15 | | 02480002330424-1-6 |
| Oro de ley | T0370221730 | milonga | Juan D'Arienzo | Alberto Echagüe | spa | 1944-12-15 | | 02480002330363-2-1 |
| Oro de ley | T0370221730 | milonga | Juan D'Arienzo | Alberto Echagüe | spa | 1944-12-15 | 02:11 | 00828766933925-1-5 |
| Oro de ley | T0370221730 | milonga | Juan D'Arienzo | Alberto Echagüe | spa | 1944-12-15 | | 00743213365923-1-7 |
| Oro de ley | T0370221730 | milonga | Juan D'Arienzo | Alberto Echagüe | spa | 1944-12-15 | | 02480002761815-2-1 |
| Oro de ley | T0370221730 | milonga | Juan D'Arienzo | Alberto Echagüe | spa | 1944-12-15 | 02:14 | 02480002003120-1-18 |
| Oro falso | T0370242059 | tango | Astor Piazzolla | Francisco Fiorentino | spa | 1945-11-23 | 03:19 | 08427328130974-1-19 |
| Oro falso | T0370242059 | tango | Astor Piazzolla | Francisco Fiorentino | spa | 1945-11-23 | 03:16 | 00724347760426-1-13 |
| Oro falso | T0370242059 | tango | Astor Piazzolla | Francisco Fiorentino | spa | 1945-11-23 | | 07798097198092-2-13 |
| Oro falso | T0370242059 | tango | Astor Piazzolla | Francisco Fiorentino | spa | 1945-11-23 | 03:16 | 00724383574629-1-13 |
| Oro falso | T0370242059 | tango | Astor Piazzolla | Francisco Fiorentino | spa | 1945-11-23 | | 02480002729181-2-1 |
| Oro falso | T0370242059 | tango | Astor Piazzolla | Francisco Fiorentino | spa | 1945-11-23 | 03:21 | 04011222327543-5-13 |
| Oro falso | T0370242059 | tango | Astor Piazzolla | Francisco Fiorentino | spa | 1945-11-23 | 03:23 | 02480002007913-1-15 |
| Oro falso | T0370242059 | tango | Astor Piazzolla | Francisco Fiorentino | spa | 1945-11-23 | 03:20 | 05099964048024-7-17 |
| Oro falso | T0370242059 | tango | Astor Piazzolla | Francisco Fiorentino | spa | 1945-11-23 | 03:20 | 02480002028000-1-11 |
| Oro falso | T0370242059 | tango | Astor Piazzolla | Francisco Fiorentino | spa | 1945-11-23 | 03:19 | 08427328146111-1-12 |
| Oro muerto | T0370153222 | tango | Guillermo Barbieri, José Ricardo | Carlos Gardel | spa | 1926 | | 02480002780083-1-1 |
| Oro muerto | T0370153222 | tango | Eduardo Bianco, Bachicha | Juan Raggi | spa | 1926 | 03:28 | 02480002114727-1-4 |
| Oro muerto | T0370153222 | tango | Guillermo Barbieri, José Ricardo | Carlos Gardel | spa | 1926 | | 02480002101420-1-367 |
| Oro muerto | T0370153222 | tango | Guillermo Barbieri, José Ricardo | Carlos Gardel | spa | 1926 | | 02480002029236-1-4 |
| Oro muerto | T0370153222 | tango | Eduardo Bianco, Bachicha | Juan Raggi | spa | 1926 | | 04024236203239-1-3 |
| Oro muerto | T0370153222 | tango | Guillermo Barbieri, José Ricardo | Carlos Gardel | spa | 1926 | 02:43 | 00724349998025-1-19 |
| Oro muerto | T0370153222 | tango | Guillermo Barbieri, José Ricardo | Carlos Gardel | spa | 1926 | 02:24 | 08427328130110-1-16 |
| Oro muerto | T0370153222 | tango | Guillermo Barbieri, José Ricardo | Carlos Gardel | spa | 1926 | 02:47 | 05204833007556-1-16 |
| Oro muerto | Jirón porteño | T0370153222 | tango | Eduardo Bianco, Bachicha | Juan Raggi | spa | 1926 | 03:25 | 00604988035421-1-25 |
| Oro muerto | Jirón porteño | T0370153222 | tango | Eduardo Bianco, Bachicha | Juan Raggi | spa | 1926 | 03:24 | 00723722366925-1-13 |
| Oro muerto | Jirón porteño | T0370153222 | tango | Eduardo Bianco, Bachicha | Juan Raggi | spa | 1926 | 03:25 | 03229269953026-1-13 |
| Oro muerto | Jirón porteño | T0370153222 | tango | Eduardo Bianco, Bachicha | Juan Raggi | spa | 1926 | 03:17 | 03561302508122-1-8 |
| Oro muerto | Jirón porteño | T0370153222 | tango | Eduardo Bianco, Bachicha | Juan Raggi | spa | 1926 | 03:17 | 02480002152170-1-8 |
| Oro viejo | T0464004441 | vals | Francisco Canaro | Charlo | spa | 1931-03-27 | 03:06 | 02480002040576-1-11 |
| Oro y diamantes | T0370484460 | tango | | Héctor Mauré | spa | | 02:41 | 05204833005118-1-7 |
| Oro y diamantes | T0370484460 | tango | | Héctor Mauré | spa | | 02:40 | 02480002028550-1-7 |
| Oro y diamantes | T0370484460 | tango | Juan D'Arienzo | Osvaldo Ramos | spa | 1970-08-13 | 02:55 | 00828766935523-1-13 |
| Oro y diamantes | T0370484460 | tango | Juan D'Arienzo | Osvaldo Ramos | spa | 1970-08-13 | | 02480002159445-1-15 |
| Oro y gris | T0370876666 | tango | Mariano Mores | Ginamaría Hidalgo | spa | | | 02480002031246-1-11 |
| Oro y plata | T0370065681 | candombe | | -unspecified female- | spa | | 03:16 | 07798010678502-1-3 |
| Oro y plata | T0370065681 | candombe | Julián Plaza | Susana Rinaldi | spa | | 02:50 | 02480002333968-2-3 |
| Oro y plata | T0370065681 | candombe | Julián Plaza | Susana Rinaldi | spa | | 02:51 | 02480002028109-1-8 |
| Oro y plata | T0370065681 | milonga | | Charlo | spa | | 02:47 | 05099964048024-7-18 |
| Oro y plata | T0370065681 | candombe | | -unspecified female- | spa | | 03:16 | 07798010675310-1-3 |
| Oro y plata | T0370065681 | candombe | Julián Plaza | Susana Rinaldi | spa | | 02:50 | 02480002333975-2-3 |
| Oro y plata | T0370065681 | candombe | Julián Plaza | Susana Rinaldi | spa | | 02:50 | 02480002333982-2-3 |
| Oro y plata | T0370065681 | candombe | Julián Plaza | Susana Rinaldi | spa | | 02:54 | 00731451855023-1-12 |
| Oro y plata | T0370065681 | candombe | Julián Plaza | Susana Rinaldi | spa | | | 00731454260022-2-16 |
| Oro y plata | T0370065681 | milonga | -unspecified orchestra- | Charlo | spa | 1951-12-18 | 02:45 | 08427328130776-1-4 |
| Oro y plata | T0370065681 | milonga | -unspecified orchestra- | Charlo | spa | 1951-12-18 | 02:46 | 00724354169427-1-20 |
| Oro y plata | T0370065681 | milonga | -unspecified orchestra- | Charlo | spa | 1951-12-18 | 02:46 | 02480002027195-1-10 |
| Oro y plata | T0370065681 | milonga | -unspecified orchestra- | Charlo | spa | 1951-12-18 | | 02480002032311-1-14 |
| Oro y seda | T0370187271 | tango | Osvaldo Fresedo | Ada Falcón | spa | 1925 | | 02480002702269-1-1 |
| Oro y seda | T0370187271 | tango | Guillermo Barbieri, José Ricardo | Carlos Gardel | spa | 1925 | | 02480002101420-1-271 |
| Oro y seda | T0370187271 | tango | Guillermo Barbieri, José Ricardo | Carlos Gardel | spa | 1925 | | 02480002029151-1-19 |
| Oro y seda | T0370187271 | tango | Guillermo Barbieri, José Ricardo | Carlos Gardel | spa | 1925 | | 02480002029168-1-15 |
| Orquesta de señoritas | T0371238300 | ? | | Susana Rinaldi | spa | | 03:51 | 00731454650328-1-12 |
| Orquesta de señoritas | T0371238300 | ? | | Susana Rinaldi | spa | | | 00731454260022-1-18 |
| Orquestas de mi ciudad | T0370206215 | tango | Aníbal Troilo | Francisco Fiorentino | spa | 1943-12-17 | 03:18 | 04024236204069-1-16 |
| Orquestas de mi ciudad | T0370206215 | tango | Aníbal Troilo | Francisco Fiorentino | spa | 1943-12-17 | 03:16 | 00828765944021-1-14 |
| Orquestas de mi ciudad | T0370206215 | tango | Aníbal Troilo | Francisco Fiorentino | spa | 1943-12-17 | 03:15 | 00743217139025-1-20 |
| Orquestas de mi ciudad | T0370206215 | tango | Aníbal Troilo | Francisco Fiorentino | spa | 1943-12-17 | 03:16 | 02480002330110-1-6 |
| Orquestas de mi ciudad | T0370206215 | tango | Aníbal Troilo | Francisco Fiorentino | spa | 1943-12-17 | 03:16 | 00743217773823-1-17 |
| Orquestas de mi ciudad | T0370206215 | tango | Aníbal Troilo | Francisco Fiorentino | spa | 1943-12-17 | | 02480002333722-1-6 |
| Orquestas de mi ciudad | T0370206215 | tango | Aníbal Troilo | Francisco Fiorentino | spa | 1943-12-17 | 03:15 | 04011222327543-3-16 |
| Orquestas de mi ciudad | T0370206215 | tango | Aníbal Troilo | Francisco Fiorentino | spa | 1943-12-17 | 03:13 | 08427328133098-1-6 |
| Orquestas de mi ciudad | T0370206215 | tango | Aníbal Troilo | Francisco Fiorentino | spa | 1943-12-17 | 03:18 | 00743211440226-1-20 |
| Orquestas de mi ciudad | T0370206215 | tango | Aníbal Troilo | Francisco Fiorentino | spa | 1943-12-17 | 03:18 | 02480002101123-3-39 |
| Orquestas de mi ciudad | T0370206215 | tango | Aníbal Troilo | Francisco Fiorentino | spa | 1943-12-17 | 03:15 | 00743216757329-1-13 |
| Orquestas de mi ciudad | T0370206215 | tango | Aníbal Troilo | Francisco Fiorentino | spa | 1943-12-17 | 03:15 | 00743215214724-1-7 |
| Orquestas de mi ciudad | T0370206215 | tango | Aníbal Troilo | Francisco Fiorentino | spa | 1943-12-17 | 03:10 | 02480002027430-1-12 |
| Orquestas de mi ciudad | T0370206215 | tango | Miguel Caló | Raúl Iriarte | spa | 1944-01-28 | 02:43 | 00724349997028-1-17 |
| Orquestas de mi ciudad | T0370206215 | tango | Miguel Caló | Raúl Iriarte | spa | 1944-01-28 | 02:45 | 07798108081801-1-9 |
| Orquestas de mi ciudad | T0370206215 | tango | Miguel Caló | Raúl Iriarte | spa | 1944-01-28 | 02:46 | 02480002102830-1-7 |
| Orquestas de mi ciudad | T0370206215 | tango | Miguel Caló | Raúl Iriarte | spa | 1944-01-28 | 02:53 | 02480002043447-1-12 |
| Orquestas de mi ciudad | T0370206215 | tango | Miguel Caló | Raúl Iriarte | spa | 1944-01-28 | | 02480002101321-1-38 |
| Orquestas de mi ciudad | T0370206215 | tango | -unspecified orchestra- | Alberto Podestá | spa | 1955 | 02:00 | 00825083600325-2-5 |
| Orquesta típica | Z0000059171 | tango | Juan D'Arienzo | Alberto Reynal | spa | 1941-10-24 | 02:30 | 02480002003083-1-17 |
| Orquesta típica | Z0000059171 | tango | Juan D'Arienzo | Alberto Reynal | spa | 1941-10-24 | 02:29 | 02480002027737-1-22 |
| Orquesta típica | Z0000059171 | tango | Juan D'Arienzo | Alberto Reynal | spa | 1941-10-24 | | 02480002761563-1-1 |
| Orquesta típica | Z0000059171 | tango | Juan D'Arienzo | Alberto Reynal | spa | 1941-10-24 | 02:26 | 02480002335528-2-1 |
| Orquesta típica | Z0000059171 | tango | Juan D'Arienzo | Alberto Reynal | spa | 1941-10-24 | | 02480002101321-1-83 |
| Orquesta típica | Z0000059171 | tango | Juan D'Arienzo | Alberto Reynal | spa | 1941-10-24 | 02:26 | 02480002337256-1-3 |
| Orquesta típica | Z0000059171 | tango | Juan D'Arienzo | Alberto Reynal | spa | 1941-10-24 | 02:28 | 02480002113621-1-10 |
| Orquídeas a la luz de la luna | T0701596102 | tango | Francisco Canaro | Ernesto Famá | spa | 1934-06-07 | 03:17 | 02480002040774-1-5 |
| Orquídeas a la luz de la luna | T0701596102 | tango | Francisco Canaro | Ernesto Famá | spa | 1934-06-07 | 03:23 | 02480002007074-1-6 |
| Orquídeas a la luz de la luna | T0701596102 | tango | Francisco Canaro | Ernesto Famá | spa | 1934-06-07 | 03:21 | 02480002152927-1-6 |
| Osaka | Z0999901764 | shimmy | Francisco Canaro | Ada Falcón | spa | 1929-11-29 | 02:52 | 02480002040422-1-17 |
| Osaka | Z0999901764 | shimmy | Francisco Canaro | Ada Falcón | spa | 1929-11-29 | | 02480002032625-1-4 |
| Os beso la mano madame | | fox trot | -unspecified orchestra- | Roberto Díaz | spa | 1929 | 02:53 | 02480002336488-2-2 |
| Os beso la mano madame | T8020475724 | tango | Luis Petrucelli | Roberto Díaz | spa | 1929-10-16 | 03:23 | 02480002336532-2-1 |
| Os beso la mano, madame | T8020475724 | fox trot | -unspecified orchestra- | Roberto Díaz | spa | | | 02480002736523-1-1 |
| Os beso la mano, madame | T8020475724 | fox trot | | Agustín Magaldi | spa | 1929 | | 02480002715146-1-1 |
| Os beso la mano, madame | T8020475724 | tango | Luis Petrucelli | Roberto Díaz | spa | 1929-10-16 | 03:24 | 02480002117827-1-12 |
| Os beso la mano, madame | T8020475724 | tango | Luis Petrucelli | Roberto Díaz | spa | 1929-10-16 | 03:26 | 02480002335344-1-7 |
| Os beso la mano, madame | T8020475724 | tango | Luis Petrucelli | Roberto Díaz | spa | 1929-10-16 | 03:21 | 02480002002024-1-7 |
| Os beso la mano, madame | T8020475724 | tango | Luis Petrucelli | Roberto Díaz | spa | 1929-10-16 | 03:24 | 02480002152835-1-12 |
| Otario | | electro | | -unspecified female- | spa | | 03:08 | 07798067334314-1-1 |
| Otario! | Z0999901338 | tango | Juan Félix Maglio | Carlos Viván | spa | 1928 | 03:04 | 02480002125129-1-7 |
| Otario que andás penando | T0370022028 | tango | Francisco Canaro | Charlo | spa | 1931-11-04 | | 02480002743583-1-1 |
| Otario que andás penando | T0370022028 | tango | Francisco Canaro | Charlo | spa | 1931-11-04 | 03:15 | 02480002108528-1-9 |
| Otario que andás penando | T0370022028 | tango | Francisco Canaro | Charlo | spa | 1931-11-04 | 03:17 | 02480002153252-1-21 |
| Otario que andás penando | T0370022028 | tango | | Carlos Gardel | spa | 1932-07-22 | 02:05 | 08427328130134-1-18 |
| Otario que andás penando | T0370022028 | tango | | Carlos Gardel | spa | 1932-07-22 | | 02480002101420-1-776 |
| Otario que andás penando | T0370022028 | tango | | Carlos Gardel | spa | 1932-07-22 | 02:07 | 05204833007617-1-7 |
| Otario que andás penando | T0370022028 | tango | | Carlos Gardel | spa | 1932-07-22 | | 02480002781738-2-1 |
| Otario que andás penando | T0370022028 | tango | | Carlos Gardel | spa | 1932-07-22 | | 02480002029458-1-16 |
| Otario que andás penando | T0370022028 | tango | | Carlos Gardel | spa | 1932-07-22 | 02:08 | 05099964048024-7-20 |
| Otario que andás penando | T0370022028 | tango | Domingo Federico | Armando Moreno | spa | 1954-04-07 | 02:54 | 02480002043386-1-18 |
| Otario que andás penando | T0370022028 | tango | Domingo Federico | Armando Moreno | spa | 1954-04-07 | 02:59 | 00828767009827-1-12 |
| Otario que andás penando | T0370022028 | tango | Leopoldo Federico | Julio Sosa | spa | 1963-02-22 | 02:26 | 00037628757726-1-14 |
| Otario que andás penando | T0370022028 | tango | Leopoldo Federico | Julio Sosa | spa | 1963-02-22 | 02:25 | 05099746176426-1-9 |
| Otario que andás penando | T0370022028 | tango | Leopoldo Federico | Julio Sosa | spa | 1963-02-22 | | 05099750914328-1-4 |
| Otario que andás penando | T0370022028 | tango | Leopoldo Federico | Julio Sosa | spa | 1963-02-22 | | 02480002030775-1-13 |
| Otario qué andás penando | T0370022028 | tango | Francisco Canaro | Charlo | spa | 1931-11-04 | 03:13 | 02480002040637-1-11 |
| Otoño porteño | | ? | Quinteto Astor Piazzolla | | spa | | | 02480002150169-1-6 |
| Otra copa y se acabó | T0370075312 | tango | Francisco Canaro | Charlo | spa | 1928-08-03 | 02:58 | 02480002040255-1-2 |
| Otra copa y se acabó | T0370075312 | tango | Francisco Canaro | Charlo | spa | 1928-08-03 | | 02480002743590-1-1 |
| Otra cosa es con jalea | | ranchera | Antonio Cerviño | Antonio Cerviño, Sombra Deval | spa | | | 02480002730330-2-1 |
| Otra esquina | T0420884725 | electro | Otros Aires | -unspecified male- | spa | | 04:29 | 07798135080020-1-9 |
| Otra noche | T0370214371 | tango | Juan Carlos Cambón | Mercedes Simone | spa | | 02:57 | 04024236204007-1-12 |
| Otra noche | T0370214371 | tango | Armando Cupo | Miguel Montero | spa | | 02:25 | 00724352943029-1-20 |
| Otra noche | T0370214371 | tango | | Alberto Gómez | spa | | | 02480002736530-1-1 |
| Otra noche | T0370214371 | tango | Armando Cupo | Miguel Montero | spa | | | 02480002032458-1-12 |
| Otra noche | T0370214371 | tango | Jorge Dragone | | spa | | 02:52 | 02480002103325-1-8 |
| Otra noche | T0370214371 | tango | -unspecified orchestra- | Mercedes Simone | spa | 1928--1942 | 02:54 | 08427328130332-1-10 |
| Otra noche | T0370214371 | tango | | Alberto Gómez | spa | 1929--1944 | 03:25 | 08427328130912-1-17 |
| Otra noche | T0370214371 | tango | | Mercedes Simone | spa | 1937 | | 02480002032533-1-6 |
| Otra noche | T0370214371 | tango | Juan Carlos Cambón | Mercedes Simone | spa | 1944 | 02:56 | 02480002335450-2-6 |
| Otra noche | T0370214371 | tango | Juan Carlos Cambón | Mercedes Simone | spa | 1944 | 02:57 | 04024236034024-1-3 |
| Otra noche | T0370214371 | tango | Francisco Canaro | Carlos Roldán | spa | 1944-02-16 | 02:35 | 00724383741427-1-6 |
| Otra noche | T0370214371 | tango | Francisco Canaro | Carlos Roldán | spa | 1944-02-16 | | 02480002102762-1-15 |
| Otra noche | T0370214371 | tango | Francisco Canaro | Carlos Roldán | spa | 1944-02-16 | 02:33 | 02480002041054-1-18 |
| Otra noche | T0370214371 | tango | -unspecified orchestra- | Tania | spa | 1944-03-24 | 02:49 | 00094638988229-1-10 |
| Otra noche | T0370214371 | tango | -unspecified orchestra- | Tania | spa | 1944-03-24 | 02:51 | 02480002008521-1-17 |
| Otra noche | T0370214371 | tango | Carlos Di Sarli | Alberto Podestá | spa | 1944-04-13 | 02:41 | 02480002005087-1-17 |
| Otra noche | T0370214371 | tango | Carlos Di Sarli | Alberto Podestá | spa | 1944-04-13 | | 02480002718673-2-1 |
| Otra noche | T0370214371 | tango | Carlos Di Sarli | Alberto Podestá | spa | 1944-04-13 | 02:41 | 02480002335313-2-4 |
| Otra noche | T0370214371 | tango | Carlos Di Sarli | Alberto Podestá | spa | 1944-04-13 | | 02480002331773-2-5 |
| Otra noche | T0370214371 | tango | Carlos Di Sarli | Alberto Podestá | spa | 1944-04-13 | 02:37 | 00743214129920-1-6 |
| Otra noche | T0370214371 | tango | Carlos Di Sarli | Alberto Podestá | spa | 1944-04-13 | 02:36 | 02480002102847-1-9 |
| Otra noche | T0370214371 | tango | Emilio Balcarce | Alberto Castillo | spa | 1944-08-08 | | 02480002032151-1-14 |
| Otra noche | T0370214371 | tango | Emilio Balcarce | Alberto Castillo | spa | 1944-08-08 | | 02480002723325-1-1 |
| Otra noche | T0370214371 | tango | Emilio Balcarce | Alberto Castillo | spa | 1944-08-08 | 03:08 | 00724383741526-1-7 |
| Otra noche | T0370214371 | tango | Emilio Balcarce | Alberto Castillo | spa | 1944-08-08 | | 02480002723035-2-1 |
| Otra noche | T0370214371 | tango | Emilio Balcarce | Alberto Castillo | spa | 1944-08-08 | 03:05 | 02480002028499-1-14 |
| Otra noche | T0370214371 | tango | Emilio Balcarce | Alberto Castillo | spa | 1944-08-08 | 03:07 | 08427328131513-1-9 |
| Otra noche | T0370214371 | tango | Emilio Balcarce | Alberto Castillo | spa | 1944-08-08 | 03:07 | 02480002041627-1-1 |
| Otra noche en "La Viruta" | T0421648249 | electro | Otros Aires | -unspecified male- | spa | | 04:14 | 07798135080020-1-3 |
| Otra vez | | ? | Juan Carlos Cáceres | Juan Carlos Cáceres | spa | | 03:54 | 03307516700620-1-12 |
| Otra vez | T0370022040 | tango | Francisco Lomuto | Jorge Omar | spa | 1938-06-09 | 02:38 | 04024236203802-1-5 |
| Otra vez | T0370022040 | tango | Francisco Lomuto | Jorge Omar | spa | 1938-06-09 | | 02480002031741-1-9 |
| Otra vez | T0370022040 | tango | Francisco Lomuto | Jorge Omar | spa | 1938-06-09 | 02:40 | 02480002002307-1-5 |
| Otra vez | T0370022040 | tango | Francisco Lomuto | Jorge Omar | spa | 1938-06-09 | 02:39 | 02480002044413-1-9 |
| Otra vez | T0370022040 | tango | Francisco Lomuto | Jorge Omar | spa | 1938-06-09 | 02:38 | 02480002152507-1-15 |
| Otra vez | T0370022040 | tango | Francisco Lomuto | Jorge Omar | spa | 1938-06-09 | 02:38 | 00828767020129-1-5 |
| Otra vez Buenos Aires | T0370989460 | tango | | Jorge Maciel | spa | 1969-10-21 | | 02480002334514-1-5 |
| Otra vez Buenos Aires | T0370989460 | tango | | Jorge Maciel | spa | 1969-10-21 | 03:09 | 00828768362426-1-12 |
| Otra vez carnaval | T0370115324 | tango | Orquesta Típica Porteña | Roberto Goyeneche | spa | | 02:48 | 00828766430325-1-9 |
| Otra vez carnaval | T0370115324 | tango | Carlos Di Sarli | Jorge Durán | spa | 1947-01-14 | 02:47 | 00743216334728-1-14 |
| Otra vez carnaval | T0370115324 | tango | Carlos Di Sarli | Jorge Durán | spa | 1947-01-14 | 02:49 | 07798067339630-1-3 |
| Otra vez carnaval | T0370115324 | tango | Carlos Di Sarli | Jorge Durán | spa | 1947-01-14 | 02:47 | 07898659721659-1-23 |
| Otra vez carnaval | T0370115324 | tango | Carlos Di Sarli | Jorge Durán | spa | 1947-01-14 | | 02480002332114-2-6 |
| Otra vez carnaval | T0370115324 | tango | Carlos Di Sarli | Jorge Durán | spa | 1947-01-14 | | 02480002332824-2-6 |
| Otra vez carnaval | T0370115324 | tango | Carlos Di Sarli | Jorge Durán | spa | 1947-01-14 | 02:46 | 08427328130387-1-19 |
| Otra vez carnaval | T0370115324 | tango | Carlos Di Sarli | Jorge Durán | spa | 1947-01-14 | 02:45 | 09991848000004-3-6 |
| Otra vez carnaval | T0370115324 | tango | Carlos Di Sarli | Jorge Durán | spa | 1947-01-14 | 02:51 | 02480002005117-1-5 |
| Otra vez carnaval | noche de carnaval | T0370115324 | tango | Orquesta Típica Porteña | Roberto Goyeneche | spa | 1981-08-12 | 02:51 | 00743216335022-1-19 |
| Otra vez el viejo | Z0999901918 | tango | Francisco Canaro | Charlo | spa | 1928-03-14 | 02:49 | 02480002040200-1-5 |
| Otra vez el viejo | Z0999901918 | tango | Francisco Canaro | Charlo | spa | 1928-03-14 | 02:53 | 02480002116721-1-19 |
| Otra vez Esthercita | T0370960749 | tango | Aníbal Troilo | Roberto Goyeneche | spa | 1968-12-04 | 02:50 | 00828766221527-1-9 |
| Otra vez Esthercita | T0370960749 | tango | Aníbal Troilo | Roberto Goyeneche | spa | 1968-12-04 | 02:49 | 00743216974221-1-15 |
| Otra vez Esthercita | T0370960749 | tango | Aníbal Troilo | Roberto Goyeneche | spa | 1968-12-04 | | 02480002330882-2-2 |
| Otra vez Esthercita | T0370960749 | tango | Aníbal Troilo | Roberto Goyeneche | spa | 1968-12-04 | 02:50 | 00828766425321-1-9 |
| Otra vez María | T0370444544 | vals | Orquesta Típica Porteña | Roberto Goyeneche | spa | 1976-07-14 | 04:01 | 00743216335121-1-18 |
| Otro amor ha de llegar | T0370131126 | tango | Julio De Caro | Héctor Farrel | spa | 1940 | 02:25 | 04024236201556-1-7 |
| Otro amor ha de llegar | T0370131126 | tango | Julio De Caro | Héctor Farrel | spa | 1940 | 02:28 | 02480002042792-1-9 |
| Otro ángel para el cielo | T0370398814 | tango | Ricardo Tanturi | Alberto Guzmán | spa | 1959-01-29 | 02:59 | 02480002041993-1-9 |
| Otro ángel para el cielo | T0370398814 | tango | Ricardo Tanturi | Alberto Guzmán | spa | 1959-01-29 | 03:02 | 00886974314325-1-23 |
| Otro Puente Alsina | T0420884703 | electro | Otros Aires | -unspecified female- | spa | | 03:15 | 07798135080020-1-2 |
| Otro regreso | T0370407638 | tango | Orquesta Puglia-Pedroza | Oscar Nelson | spa | | 02:39 | 07730725815827-1-14 |
| Otros tiempos y otros hombres | T0370245332 | tango | | Francisco Fiorentino | spa | | 02:40 | 08427328999021-4-13 |
| Otros tiempos y otros hombres | T0370245332 | tango | | Francisco Fiorentino | spa | | 02:42 | 08427328130745-1-17 |
| Otros tiempos y otros hombres | T0370245332 | tango | Astor Piazzolla | Francisco Fiorentino | spa | 1946-05-21 | 02:45 | 00724347760426-1-22 |
| Otros tiempos y otros hombres | T0370245332 | tango | Astor Piazzolla | Francisco Fiorentino | spa | 1946-05-21 | 02:43 | 08427328146111-2-7 |
| Otros tiempos y otros hombres | T0370245332 | tango | Astor Piazzolla | Francisco Fiorentino | spa | 1946-05-21 | 02:44 | 07798097198092-1-7 |
| Otros tiempos y otros hombres | T0370245332 | tango | Astor Piazzolla | Francisco Fiorentino | spa | 1946-05-21 | 02:46 | 02480002007920-1-4 |
| Otros tiempos y otros hombres | T0370245332 | tango | Astor Piazzolla | Francisco Fiorentino | spa | 1946-05-21 | 02:27 | 04011222327543-6-5 |
| Otros tiempos y otros hombres | T0370245332 | tango | Astor Piazzolla | Francisco Fiorentino | spa | 1946-05-21 | 02:42 | 07895509360044-1-5 |
| Otros tiempos y otros hombres | T0370245332 | tango | Astor Piazzolla | Francisco Fiorentino | spa | 1946-05-21 | 02:39 | 00724383574629-1-4 |
| Otros tiempos y otros hombres | T0370245332 | tango | Astor Piazzolla | Francisco Fiorentino | spa | 1946-05-21 | 02:44 | 02480002027911-1-14 |
| Otros tiempos y otros hombres | T0370245332 | tango | Astor Piazzolla | Francisco Fiorentino | spa | 1946-05-21 | 02:40 | 08427328130073-1-8 |
| Otros tiempos y otros hombres | T0370245332 | tango | Astor Piazzolla | Francisco Fiorentino | spa | 1946-05-21 | 02:41 | 08427328020527-1-15 |
| Otros tiempos y otros hombres | T0370245332 | tango | Astor Piazzolla | Francisco Fiorentino | spa | 1946-05-21 | | 02480002729136-2-1 |
| Ovejitas blancas | | ? | | René Varela | spa | 1953 | | 02480002030539-1-15 |
| Oyeme mamá | T0370290086 | tango | Edgardo Donato | Carlos Almada | spa | 1952-07-25 | 03:19 | 02480002041573-1-7 |
| Oyendo tu voz | T0370189380 | tango | Rodolfo Biagi | Jorge Ortiz | spa | 1942-08-28 | | 02480002102748-1-16 |
| Oyendo tu voz | T0370189380 | tango | Rodolfo Biagi | Jorge Ortiz | spa | 1942-08-28 | 02:29 | 04024236200771-1-10 |
| Oyendo tu voz | T0370189380 | tango | Rodolfo Biagi | Jorge Ortiz | spa | 1942-08-28 | | 02480002700630-2-1 |
| Oyendo tu voz | T0370189380 | tango | Rodolfo Biagi | Jorge Ortiz | spa | 1942-08-28 | 02:32 | 00724349996724-1-11 |