Erich Witte

Igor Stravinsky

Detroit Symphony Orchestra

Lukas Foss

Richard Bonynge

Orchestra Di Roma

André Kostelanetz

Radio-Sinfonieorchester Stuttgart

Richard Tauber

National Philharmonic Orchestra

Giuseppe Verdi

Peter Pears

Igor Markevitch

Beniamino Gigli

Mario Del Monaco

Carl Zeller

Heinz Maria Lins

Helen Donath

Karl Böhm

Don Kosaken Chor Serge Jaroff

London Philharmonic Orchestra

Gewandhausorchester Leipzig

Ludwig van Beethoven

Fritz Strassner

Richard Müller-Lampertz