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