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