with Carlo Bergonzi, Mario Sereni; cond. Prêtre
with Shirley Verrett, Judith Raskin; cond. Fasano
with Helen Donath, Christa Ludwig; cond. Eichhorn
with Placido Domingo, Pablo Elvira; cond. Santi
with Elisabeth Schwarzkopf, Giuseppe Taddei; cond. Giulini
with Richard Tucker, Robert Merrill, Mary Costa; cond. Leinsdorf
with Maria Callas, Giuseppe Di Stefano; cond. Votto
with Cesare Valletti, Rosalind Elias; cond. Leinsdorf
with Daniele Barioni, Mario Sereni; cond. Molinari-Pradelli
with Elisabeth Schwarzkopf, Dietrich Fischer-Dieskau, Christa Ludwig; cond. Sawallisch
with Sergio Franchi, Risë Stevens; cond. Danon