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