Alfredo Zitarrosa (March 10, 1936 – January 17, 1989) was a Uruguayan singer-songwriter, poet and journalist. He specialized in Uruguayan and Argentinean folk genres such as zamba and milonga, and he became a chief figure in the nueva canción movement in his country. A staunch supporter of Communist ideals, he lived in exile between 1976 and 1984. He is widely regarded as one of the most influential singer-songwriters of Latin America.

Source: Wikipedia (https://en.wikipedia.org/wiki/Alfredo_Zitarrosa)