Studio pianist /Karl Klingemann /Felice Romani /Jean-François-Alfred Bayard /Jules-Henri Vernoy de Saint-Georges /Friedrich Wilhelm Riese /Johann Friedrich Kind /Augustin-Eugène Scribe /Henri Meilhac /Ferdinand Lemaire /Luigi Illica /Giuseppe Giacosa /Thomas Dunn English /Peter Dawson /Karl Jorn /Frieda Hempel /Marie Rappold /Walter Soomer /Jacques Urlus /María Delna /Rosa Olitzka /Blanche Arral /Gaston Dubois /Lucrezia Bori /Francesco Daddi /Eleanor de Cisneros /Charles Hackett /Antoinette Laute-Brun /Studio cellist /Vincenzo Robaudi /Nelson Kneass /Pierre-Aurele Asselin /Unknown Artist /Michel Carre /Jules Barbier /Ludovic Halevy /Gaetano Donizetti /Friedrich von Flotow /Carl Maria Von Weber /Giacomo Meyerbeer /Charles Gounod /Ambroise Thomas /Giacomo Puccini /Anonymous classical Composers /Richard Wagner /Georges Bizet /Camille Saint-Saëns /Felix Mendelssohn