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