Igor Chichagov, Rosa Ponselle, Romano Romani, Mischa Schmidt, Ruby Mercer
Studio Chorus, G. Tarragó, Dorothy Maynor, Rosario Bourdon, Milton Katims, RCA Victor Symphony Orchestra, John Charles Thomas, Rosa Ponselle, Lawrence Tibbett, Hulda Lashanska, Clarence Dickinson, Victoria de los Ángeles, Aksel Schiøtz, Elisabeth Schumann, Paul Reimers, John McCormack, Georges Thill, Stewart Wille, Claudia Muzio, Gladys Swarthout, Ladies' Chorus, Giovanni Martinelli, Richard Crooks, Ernestine Schumann-Heink, Armand Bernard, Richard Tauber, Henry Geehl, Mogens Woldike, Studio Orchestra, Renata Tarragó, Marcel Journet, Margarete Matzenauer, Trinity Church Choir, New York, Carroll Hollister, Edwin Schneider, Lorenzo Molajoli
Yehudi Menuhin, Risë Stevens, Marian Anderson, B. Smith, Franz Rupp, Robert Merrill, Mischa Elman, W. Rose, Nathan Milstein, Jan Peerce, Gregor Piatigorsky, Ezio Pinza, Carroll Hollister, Gibner King
