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