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