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