Erich Kleiber
Ollantay: Tres movimientos sinfónicos, Op. 17, is an orchestral triptych by Alberto Ginastera written in 1947. It is one of the last compositions of his first period, "objective nationalism" (1934–48). It was premiered on October 29, 1949 in Buenos Aires by the Regular Orchestra of the Teatro Colón conducted by Erich Kleiber.