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