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