FILE - Argentina's singer Mercedes Sosa performs during a concert in Buenos Aires in this Feb. 18, 2006, file photo. Sosa, the "voice of Latin America" whose music inspired opponents of South America's brutal military regimes and led to ...

A man mourns in front of the coffin containing the body of Argentina's singer Mercedes Sosa during her wake at the National Congress in Buenos Aires, Sunday, Oct. 4. Sosa, the "voice of Latin America" whose music inspired opponents ...

Fans of Argentina's late folk singer Mercedes Sosa applaud as a motorcade carries Sosa's coffin from the National Congress to a local cemetery in Buenos Aires, Monday, Oct. 5, 2009. Sosa, the "voice of Latin America," whose music ...