Edgar Valcárcel (Puno, 1932-Lima, 2010) is one of the most important composers in the tradition of written music in Peru. He belonged to a crucial generation, the Generation of the 1950s, which also included César Bolaños, Leopoldo La Rosa, Celso Garrido-Lecca, Enrique Pinilla and Francisco Pulgar Vidal. These musicians were responsible for introducing locally the new languages of the international musical avant-garde, in a meeting with the legacies of Peruvian native music, where the folkloric material was used under very free and abstract conceptions