Pianistas: O

Allevato, Oscar		1905-07-06
Arona, Antonio Oscar		1905-11-07
Bellinghieri, Osvaldo David [Osvaldo Berlingieri]		1928-02-20
Campoamor, Manuel O. [Manuel Campoamor]		1877-11-07	1941-04-29
Cufaro (Tito Ciardoney), Oreste		1906-02-22	1972-12-29
Cupo, Oscar Armando		1921-12-26	1990-07-21
Donato, Osvaldo	?	1908-04-02	1975-01-25
Esper, German Osvaldo		1924-11-18
Freire, Osman Perez		1877-01-29	1930-04-02
Gogni, Orlando Cayetano [Orlando Goñi]		1914-01-20	1945-02-05
Maderna, Osmar Héctor [Osmar Maderna]		1918-02-26	1951-04-28
Manzione, Osvaldo Ramon [Osvaldo Manzi]	?		1976-04-18
Napolitano, Oscar		1910-01-18
Palermo, Oscar	?	1933-06-01	2007-00-00
Pro, Juan Olivero [Olivero Juan Pro]		1908-03-05
Pugliese, Osvaldo Pedro [Osvaldo Pugliese]		1905-12-02	1995-07-25
Sabino, Miguel Oscar Salvador [Oscar Sabino]		1910-02-20	1975-10-13
Tarantino, Osvaldo		1928-06-06	1991-09-10
Tripodi, Orlando		1927-02-25	1995-08-12