London Church Carol Choir

Heidi Rieß

Grace Amemiya

Steve Davislim

The Rhos Male Voice Choir

ORF Symphonieorchester

Laurence John

Varsity Singers

Chor Infantil

The Choristers

The Plastic Ono Band

Band Of H.M. Royal Marines Plymouth

LeRoy Holmes Orchestra

Петр Поляков

Orfeó Gracienc

New York Voices

Mikołaj Zieleński

Olle Persson

Т. Лазаров

The Haddonfield Chorus

Torsten Nilsson

Grethe Ingmann

Herbert Tachezi

Thomas Hemsley

Mgr. Z. Narozniak