Renato Zanelli

Lawrence Tibbett

Heinrich Schlusnus

Leonildo Basi

Olga De Franco

Wiener Staatsopernchor

Artur Rodzinski

RCA Victor Symphony Orchestra

Antonio Gelli

Boston Promenade Orchestra

Sir Adrian Boult

Berliner Philharmoniker

Victor Concert Orchestra

Angela D'Urbino

Attilia Janni

Ernestine Schumann-Heink

Carl Maria von Weber

Piero Coppola

Maria Galvany

Dajos Béla

Irma Beilke

Heddle Nash

Giovanni Martinelli

Nathaniel Shilkret

Städtisches Orchester Berlin