Atahualpa Yupanqui (Spanish pronunciation: [ataˈwalpa ʃuˈpaŋki]; born Héctor Roberto Chavero Aramburu; 31 January 1908 – 23 May 1992) was an Argentine singer, songwriter, guitarist, and writer. He is considered the most important Argentine folk musician of the 20th century.

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