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