Silvio Maionica

Werner Schmidt-Boelcke

Pietro Mascagni

Albert Lortzing

Wiener Akademie Kammerchor

Peter Alexander

Rundfunkchor Berlin

Erich Leinsdorf

Julius Rudel

Theo Mackeben

Willy Mattes

Peter Rösel

Artur Rodzinski

Marius Constant

William Steinberg

Edvard Grieg

Rudolf Schock

The Philadelphia Orchestra

Ian Wallace

The Czech Philharmonic Orchestra

Richard Bonynge

Hans Moser

Georg Friedrich Händel

Sir Edward Elgar

Kurt Masur