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