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