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