George Singer

Corul Radioteleviziunii Române

Hector Berlioz

Samuel Barber

Sergei Prokofiev

Constantin Silvestri

Astrid Varnay

The Metropolitan Opera

Hans Rosbaud

Jan Peerce

Lucie Dolène

János Ferencsik

Dario Caselli

Boston Symphony Orchestra

Marian Anderson

Montserrat Caballé

Wilhelm Schüchter

Friedrich von Flotow

Franz Schmidt

Karl Münchinger

Nello Santi

Ottorino Respighi

Albert Lortzing

Detroit Symphony Orchestra

Mario Lanza