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Sir Thomas Beecham, Anatole Fistoulari, Tito Gobbi, Rome Teatro Reale Opera Orchestra, Giuseppe di Stefano, Cesare Valletti, Anna Maria Canali, Giorgio Tozzi, The Metropolitan Opera Orchestra, Pierre Monteux, Victoria de los Ángeles, Philharmonia Orchestra, Walter Susskind, Rome Teatro Reale Opera Chorus, Jussi Björling, The Metropolitan Opera Chorus, John Reardon, Gerald Moore, Lucine Amara, RCA Victor Symphony Orchestra, Robert Merrill, Gianandrea Gavazzeni
