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