Gerd Witte

Chorus Of The Gulbenkian Foundation

Wiener Kammerorchester

Saulius Sondeckis

Manfred Siebald

Günther Wich

Daniel Adni

Agnes Giebel

Karel Gott

Antonio De Almeida

Judith Blegen

Ireneu Segarra OSB

Armin Jordan

Jan Václav Antonín Stamic

Wiesław Ochman

Karl Suske

Iona Brown

Bohuslav Martinů

Birnauer Kantorei

Royal Scottish National Orchestra

Valentin Zverev

Erich Leinsdorf

José van Dam

Collegium Musicum Pragense

Heidi Rieß