Data
- Act Entertainment AG Basel
- Festival Strings Lucerne
- domino Event SARL St. Gallen www.dominoevent.ch
- GC Events Sagl
- Smallflower Events GmbH Elsau
- Good News Productions AG Glattpark
- Rima Entertainment AG
- Gadget abc Entertainment Group
- Verein Luzerner Orgelfreunde
- Verein Luzerner Orgelfreunde
- Concert Hall