Tannhäuser
Orchestra and Choir of the Metropolitan Opera, Artur Bodanzky, Emanuel List, Lauritz Melchior, Lawrence Tibbett, Kirsten Flagstad, Margaret Halstead, Editha Fleischer, Hans Clemens, Arnold Gabor, Giovanni Paltrinieri, James Wolfe, Erich Leinsdorf, Herbert Janssen & Eyvind Laholm
Die Meistersinger von Nürnberg
Orchestra and Choirs of the Metropolitan Opera House, San Francisco Opera House, Vienna Philharmonic, Erich Leinsdorf, Bruno Walter, Arturo Toscanini, Cesare Sodero, Sir Thomas Beecham, Gaetano Merola, Italo Montemezzi, Hans Hermann Nissen, Lotte Lehmann, Charles Kullman, Heinrich Schorr, Irene Jess