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