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