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