Svanhildur Jakobsdóttir

Ómar Ragnarsson

Jukka Kuoppamäki

Peter, Paul & Mary

Escolanía Del Colegio De San Antonio De Madrid

Eira Davies

Mike Sammes Singers

Rundfunk-Kinderchor Berlin

Choir Of The Papal Russian College, Rome

Zora Kolínska

La Trinca

Marin Constantin

Mercedes Sosa

Waldo De Los Rios

Papi Galán

Nora Aunor

Mariele Ventre

The Tony Mansell Singers

Fred Waring & The Pennsylvanians

Pat Boone

Children From Hermitage Primary School, Uxbridge

Trio Oriental

Joaquín Díaz

Irena Santor

Die Westfälischen Nachtigallen