Nienke Nasserian mezzo soprano

Rob Reyners pop/jazz vocalist

Sam Eggenhuizen bass/baritone

Prima Donna's duo

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Animato mixed choir

Kazoo female choir

Meulezengers male choir

Nijmeegs Studentenkoor Alphons Diepenbrock mixed choir

St. Caecilia Linne male choir

VOG mixed choir

Weerter Gemend Koor Vivace mixed choir

Zingen in Frankrijk organisation