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