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