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