International Children's Chorus

Rudolf Watzke

Hubert Schoonbroodt

Martin Pearlman

The Cliff Adams Singers

Louisiana Double

Vassil Stefanov

Samuel Sebastian Wesley

Хор Ленинградского Радио И Телевидения

Chór Dana

Orquesta Sinfónica

Angel Romero

Kurt Moll

The Contemporary Singers

George Friedgen

Czerwony Tulipan

Orchester Der Staatsoper Hamburg

Walter Scholz

André Caplet

Ramapo Valley Chapter

Geraint Jones

Amvrosiy Choir

Laurence Olivier

Der Mozarteumchor Salzburg

Opawa Baptist Church Choir