[1] He sang and played traditional Andean music and is a symbol of friendship between the Bolivian and Argentine people.
Rojas was born in Tarata in the department of Cochabamba to a family of musicians.
Tarateño Rojas emigrated to Argentina after the Chaco War searching for a better life.
He became part of the group "Pachamama" formed by Mauro Núñez another influential charanguista.
Mauro Núñez, Hugo Echave, Tito Veliz, Antonio Pantoja y Mario Rudón were also part of the group.