Symposium

Orchestra of the Staatsoper, Berlin, Pro Music Chamber Orchestra, Paris, Otto Klemperer

Jenö Lenér (violin), Louis Kentner (piano), Fritz Kreisler (violin), Sergei Rachmaninov (piano), Adila Fachiri (violin), Donald Tovey (piano)

Coenraad Bos (piano), Elena Gerhardt (mezzo-soprano), Marjorie Hayward (cello), Paula Hegner (piano), Harold Craxton (piano)

Elie Robert Schmitz (piano)

New York Trio, The, New York Philharmonic String Quartet, Hoffmann Quartet

Ilona Eibenschutz (piano), Edvard Grieg (piano), Alfred Grunfeld (piano), Leopold Godowsky (piano), Enrique Granados (piano), Giovanni Sgambati (piano), Arthur Friedheim (piano), Josef Weiss (piano), Tobias Matthay (piano), Donald Francis Tovey (piano)

George Cehanovsky (baritone), Irra Petina (mezzo-soprano), Annamary Dickey (vocals), Lily Pons (soprano), Lucielle Browning (vocals), Ezio Pinza (bass), Armand Tokatyan (tenor), Helen Olheim (mezzo-soprano), Nicholas Massue (tenor)

Metropolitan Opera Orchestra, Metropolitan Opera Chorus, Wilfrid...

Harold Samuel (piano)

Linda Cannetti (soprano), Giuseppe Krismer (tenor), Giorgina Caprile (soprano), Eugenio Giraldoni (baritone), Andria Carrera (soprano), Giannina Russ (soprano)

Alfred Piccaver (tenor)

Berlin Philharmonic Orchestra, Wilhelm Furtwangler