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