Adelaide Saraceni

Fritz Rieger

Otto Edelmann

Geori Boué

Howard Barlow

Erich Leinsdorf

Adolphe C. Adam

Anthony Collins

Inge Borkh

Paul van Kempen

The Prague Symphony Orchestra

Anatole Fistoulari

Sir Thomas Beecham

Pyotr Ilyich Tchaikovsky

Tiana Lemnitz

André Kostelanetz

Christoph Willibald Gluck

Elisabeth Rethberg

Beniamino Gigli

Engelbert Humperdinck

Enrico Caruso

Eugen Jochum

The New Symphony Orchestra Of London

Astrid Varnay

Nikolai Rimsky-Korsakov