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