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