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