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