Carlos Soto de la Colina has been played on NTS shows including Radio Cascabel, with Cardo O Ceniza first played on 13 December 2015.

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.