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