Liszt Academy Budapest
Kodály Institute of the Liszt Academy
Kodály Institute of The Netherlands
National Youth Choir of Scotland
Royal Conservatoire The Hague
National Youth Choir of the Netherlands
International Kodály Society
IKS Scholarship
British Kodály Academy
Scholen in de Kunst Amersfoort
Kathedrale Koorschool Utrecht
SKVR
Royal Conservatoire of Scotland
Wishful Singing
Leren met Muziek
The Movable Do Disc