Haydée Mercedes Sosa, sometimes known as La Negra (literally: The Black One), 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.
The song originally is by Silvio Rodríguez from Cuba.
Song: La Maza
Album: 30 Años
Artist: Mercedes Sosa