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