Pedro Carlos Soto De La Colina Popularly Known As Caitro Soto Born In San Luis Cañete Province Peru October 23 1934 - Lima July 19 2004 Was An Afro-Peruvian Musician And Composer. He Was Known For His Version Of The Peruvian Folk Song "Toro Mata" And As Part Of The Afro-Peruvian Artist's Collective Peru Negro. Soto Appeared In The Motorcycle Diaries As "Papá Carlito" A Resident Of The Leper Colony At San Pablo Peru.