Frans Vroons

Georg Hann

Michel Dens

Elisabeth Schwarzkopf

Geraldine Farrar

George Szell

Georges Sebastian

Rudolf Moralt

The Prague Symphony Orchestra

Royal Philharmonic Orchestra

Michael Raucheisen

Münchner Philharmoniker

Philharmonic-Symphony Orchestra Of New York

Ludwig van Beethoven

The Robert Shaw Chorale

Wiener Staatsopernchor

Eugen Jochum

Gré Brouwenstijn

Leopold Stokowski And His Symphony Orchestra

Titta Ruffo

Giuseppe Di Stefano

San Francisco Symphony

Fritz Busch

Staatsorchester Stuttgart

Victoria De Los Angeles