Côr Meibion Penrhyn

Bill & Gloria Gaither

National Philharmonic Orchestra

Cymdeithas Gorawl Llithfan

Cincinnati Pops Orchestra

Erich Kunzel

The St. Deiniol Singers

Côr Meibion Llanelli

His Holiness Pope John Paul II

Côr Genethod Bae Colwyn

Anonymous 4

Côr Merched Bethesda

Ambrosian Boys' Choir

Elmer Iseler Singers

The King's Singers

Harry Secombe

London Community Gospel Choir

Csillag Kórus

Eric Ericsons Kammarkör

The Morriston Orpheus Choir

London Voices

Llangwm Male Voice Choir

Continental Singers

Pyotr Ilyich Tchaikovsky

Oslo Gospel Choir