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