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