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