George Szell, The Cleveland Orchestra, Abraham Skernick, Louis Lane, Rafael Druian, Leon Fleisher, Budapest String Quartet, Bernard Adelstein, Boris Kroyt, Erich Leinsdorf, Ernani Angelucci, George Goslee, Jon M. Samuels, Joseph Roisman, Judith Raskin, Marc Lifschey, Martin Morris, Maurice Sharp, Mischa Schneider, Myron Bloom, Robert Marcellus, Robert Shaw, Roy Waas & Cleveland Orchestra Chorus
Leontyne Price, Erich Leinsdorf, Richard Tucker, Rosalind Elias, Philip Maero, Virgilio Carbonari, Oliviero de Fabritiis, Robert Kerns, Arturo La Porta, Silvia Bertona, RCA Italiana Opera Orchestra, Anna Di Stasio, RCA Italiana Opera Chorus, Fernanda Cadoni, Mario Rinaudo, Leo Pudis, Gianna Lollini & Nino Antonellini
Alessio De Paolis, Birgit Nilsson, Erich Leinsdorf, Giorgio Tozzi, Giuseppe Conca, Jussi Björling, Luigi Rossi, Mario Sereni, Oliviero de Fabritiis, Renata Tebaldi, Coro del Teatro dell'Opera di Roma, Rome Opera Orchestra, Tommaso Frascati & Ugo Catania
Erich Leinsdorf, Ezio Flagello, George Shirley, John McCarthy, Judith Raskin, Leontyne Price, Philharmonia Orchestra, Sherrill Milnes, Tatiana Troyanos, The Ambrosian Opera Chorus & Valda Aveling
Leontyne Price, Arturo Basile, Carlo Bergonzi, Corinne Vozza, Daniel Guss, Erich Leinsdorf, Ezio Flagello, Fernando Iacopucci, Francesco Molinari-Pradelli, Giorgio Tozzi, Hartje Mueller, John Newton, Julia Hamari, Laura Londi, Mario Sereni, Oliviero de Fabritiis, RCA Italiana Opera Chorus, RCA Italiana Opera Orchestra, Reri Grist, Robert El Hage, Robert Merrill, Rome Opera Orchestra, Shirley Verrett & Thomas Schippers
Kirsten Flagstad, Lauritz Melchior, Marjorie Lawrence, Julius Huehn, The Metropolitan Orchestra Boston, The Metropolitan Opera Boston & Erich Leinsdorf
