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