Symposium

Philadelphia Orchestra, Leopold Stokowski, Virgil Thomson, Sergei Rachmaninov

Boston Symphony Orchestra, Karl Muck, Sergey Koussevitzky

George Henschel (baritone), Cornelius Bronsgeest (baritone), Theodor Scheidl (baritone), Johannes Heidenreich (piano), Karl Erb (tenor), Julius von Raatz-Brockmann (baritone), August Pilz (piano), Hulda Lashanska (soprano), Arthur van Eweyk (baritone), Charles Albert Baker (piano), Richard Tauber...

Sigrid Arnoldson (soprano)

Friedrich Brodersen (baritone), Linde Brodersen (piano), Felix Gunther (piano), Kirsten Flagstad (soprano), Charles Cahier (contralto), Agnes Bedford (piano), Diane van Demmelen (soprano), Walter Widdop (tenor), Percy Kahn (piano), Pol Plancon (bass), Madeleine Gray (soprano), Ivar Andresen (bass),...

Belle Cole (contralto), Ada Adini (soprano), David Bispham (baritone), Lillian Nordica (soprano), Romayne Simmons (piano), Emma Juch (soprano), Isidore Luckstone (piano), Zelie de Lussan (soprano), Rosa Linde Wright (soprano), Alice Esty (soprano), Emma Eames (soprano), Charles Albert Baker (piano),...

Florence Easton (soprano), Paul Althouse (tenor), Arthur Carron (tenor), Giulio Crimi (tenor)

Fritz Reiner, Georges Sebastian

Leonid Kreutzer (piano), Alexandre Moguilewsky (violin), Nathan Milstein (violin), Arthur Balsam (piano), Miron Polyakin (violin), Abram Dyakov (piano)

Gerald Moore (piano), Guila Bustabo (violin), Heinz Schroter (piano), Louis Persinger (piano), Ruggiero Ricci (violin), Karl Forstner (piano)

Berlin Stadtischen Opera Orchestra, Fritz Zaun

Ninon Vallin (soprano), Joaquin Nin (piano), Maria Barrientos (soprano), Manuel de Falla (piano), Joaquin Turina (piano), Lola Rodriguez de Aragon (soprano), Marcos Redondo (baritone), Conchita Supervia (mezzo-soprano)