Renato Zanelli

Orchestre De La Société Des Concerts Du Conservatoire

Mario Basiola

Giuseppe Verdi

Bidú Sayão

John Gurney

Jean Morel

Vittorio Weinberg

Howard Barlow

Carmen Melis

Wiener Philharmoniker

Nelson Eddy

Antonio Scotti

Royal Philharmonic Orchestra

Sir Malcolm Sargent

Alois Melichar

Wiener Bohème-Orchester

Columbia Broadcasting Symphony

Fritz Reiner

Karl Alwin

Peter Dawson

Pittsburgh Symphony Orchestra

Albert Coates

Herbert Ernst Groh

Ruggiero Leoncavallo