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