- Laura Londi, Corinne Vozza, Daniel Guss, Mario Sereni, Giorgio Tozzi, John Newton, Thomas Schippers, Robert El Hage, Hartje Mueller, Carlo Bergonzi, Arturo Basile, Reri Grist, Júlia Hamari, Orchestra of the Rome Opera House, Ezio Flagello, Fernando Iacopucci, Francesco Molinari-Pradelli, RCA Italiana Opera Chorus, Oliviero de Fabritiis, Leontyne Price, RCA Italiana Opera Orchestra, Shirley Verrett, Robert Merrill, Erich Leinsdorf
