Oddbjørn Lønskog

Westfälische Kantorei

Pater Maurus Pfaff

Moshe Koussevitzky

De Zingende Zusjes

Polly Bergen

David Willcocks

Brychan Powell

Eddie Dunstedter

Ballarat Y.W.C.A. Choir

Kammerorchester Des Saarländischen Rundfunks, Saarbrücken

Orchester Der Wiener Staatsoper

London Welsh Association Youth Choir

Padre Juan Thomas

George Johnson

The Original Gospel Harmonettes

Paul Robeson

Roger Williams

Jacques Brel

Siri Och Rudolf Lunder

Sanctuary Choir

The Peloquin Chorale

Bernard Demigny

Kjell Og Odd

The Frank Raye Singers