Ana Lila Downs Sánchez is a Mexican singer-songwriter. She performs her own compositions and the works of others in multiple genres, as well as tapping into Mexican traditional and popular music. She also incorporates indigenous Mexican influences and has recorded songs in many indigenous languages such as Mixtec, Zapotec, Mayan, Nahuatl and Purépecha. Born and raised in Oaxaca, she primarily studied at the Institute of Arts by Oaxaca and briefly attended the University of Minnesota, before withdrawing to focus on her musical career. She soon began performing in the traditional music scene of Oaxaca City.

Haydée Mercedes Sosa, sometimes known as La Negra, was an Argentine singer who was popular throughout Latin America and many countries outside the region. With her roots in Argentine folk music, Sosa became one of the preeminent exponents of El nuevo cancionero. She gave voice to songs written by many Latin American songwriters. Her music made people hail her as the "voice of the voiceless ones". She was often called "the conscience of Latin America.