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