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