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