Georges Abdoun

Ernst Haefliger

Helmut Krebs

Camerata Academica Salzburg

Leonard Bernstein

Gabriel Fauré

Maria Stader

Hermann Prey

Gewandhausorchester Leipzig

Richard Lewis

Marga Höffgen

Johannes Brahms

The Philadelphia Orchestra

Wiener Akademie Kammerchor

Johann Sebastian Bach

The Academy Of St. Martin-in-the-Fields

Ralph Vaughan Williams

Franz Crass

Berliner Motettenchor

Maureen Forrester

Margarethe Bence

Karl Forster

Mormon Tabernacle Choir

Orchester Der Wiener Staatsoper

Wiener Kammerchor