In 1969, Walo Carillo, the drummer for Los Holy's, left the group and helped to create another Peruvian rock group "Telegraph Avenue"...
Telegraph Avenue - Rocking' Rock (The Girls from Oklahoma)
And after leaving Telegraph Avenue, in the early 1970's, he went on to help create yet another Peruvian rock group "Tarkus"...
Tarkus - El Pirata (1972)