Mario Filippeschi

Sir Thomas Beecham

San Francisco Symphony

Orchestra Del Teatro Alla Scala

Arthur Fiedler

Helen Traubel

Toots Camarata And His Orchestra

Teresa Berganza

Eberhard Wächter

Jon Vickers

Chor Des Bayerischen Rundfunks

Roberta Peters

Engelbert Humperdinck

Igor Markevitch

Hallé Orchestra

Elisabeth Höngen

Pro Arte Orchestra

Jean Martinon

Hans Hopf

Hertha Töpper

Gabriele Santini

Clemens Krauss

Otto Ackermann

Inge Borkh

Fritz Wunderlich