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Haydée Mercedes Sosa (Spanish pronunciation: [merˈseðes ˈsosa]; 9 July 1935 – 4 October 2009), sometimes known as La Negra (literally: The Black (female)), was an Argentine singer who was popular throughout Latin America and many countries outside the region. She was born on Argentina's Independence Day. With her roots in Argentine folk music, Sosa became one of the preeminent exponents of nueva canción. She gave voice to songs written by many Latin American songwriters. Her music music made people hail her as the "voice of the voiceless ones", and "the voice of America".