She made her formal Metropolitan Opera debut on November 28, 1973, as Nicklausse in Les contes d'Hoffmann (with Plácido Domingo in the name part), and later sang Dorabella in Così fan tutte (1975–76), Cherubino in Le nozze di Figaro (opposite Justino Díaz and Judith Blegen, 1976) and Parséïs in Esclarmonde (opposite Sutherland, 1976).
In 1967, his Escamillo in Carmen was filmed, conducted and directed by Herbert von Karajan, and also starring Grace Bumbry and Jon Vickers.
On September 16, 1966 he appeared as the Sentinel in the world premiere of Samuel Barber's Antony and Cleopatra for the opening of the new Metropolitan Opera House with Leontyne Price as Cleopatra and Justino Díaz as Anthony.
The PRSO has hosted various internationally renowned artists, including Plácido Domingo, Luciano Pavarotti, Justino Díaz, Kiri Te Kanawa, and Alicia de Larrocha, among others, and has performed in various Central and South American countries as well as in the United States.
Cameron Diaz | Porfirio Díaz | Junot Diaz | Gloria Diaz | Justino Díaz | Chalco de Díaz Covarrubias | Roberto Díaz Herrera | Marilou Diaz-Abaya | Laura Diaz | Bernal Díaz del Castillo | Lav Diaz | Carlos Díaz Olivo | Aarón Díaz | Sully Diaz | Roxana Díaz Burgos | Roxana Díaz | Ron Diaz | Raphael Diaz | Porfirio Diaz | María II Díaz de Haro | Lincoln Diaz-Balart | Kicho Díaz | Justino Romea | Justino 'Ning" Romea | Gustavo Díaz Ordaz | Fruela Díaz | Francisco Gil Díaz | Esperanza Diaz | Diaz | David Díaz (boxer) |