Data
- Act Entertainment AG Basel
- City Light Concerts
- Festival Strings Lucerne
- Gadget abc Entertainment Group AG
- Zürcher Kammerorchester
- Pro Senectute Kanton Luzern
- 21st Century Orchestra
- GC Events Sagl
- swiss classics gmbh / Lucerne Chamber Circle
- Festival Strings Lucerne - Daniel Dodds
- 21st Century Orchestra
- Concert Hall