Data
- Act Entertainment AG Basel
- Festival Strings Lucerne
- Lucerne Festival
- Zentralschweizer Jugendsinfonieorchester ZJSO
- domino Event SARL St. Gallen www.dominoevent.ch
- GC Events Sagl
- Alegria Konzert GmbH
- Good News Productions AG Glattpark
- Furler Productions
- Musikgesellschaft Perlen-Buchrain
- Festival Strings Lucerne - Daniel Dodds