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