Beti Wyn Jones

Erich Kunzel

Richie Thomas

Cincinnati Pops Orchestra

National Philharmonic Orchestra

Peter Pears

Janet Baker

Côr Merched Bethesda

Eric Ericsons Kammarkör

Belgian Radio And Television Philharmonic Orchestra

Ulster Orchestra

Mike Sammes Singers

Josef Locke

Julius Rudel

Belgian Radio And Television Choir

Ella Fitzgerald

Brenda Spraggins

Kovács János

Guy Carawan

Rebecca St. James

Bing Crosby

Côr Meibion Llanelli

Krister St Hill

Joan Baez

Côr Meibion Penrhyn