Data
- KKL Luzern Management AG
- Obrasso Classic Events GmbH
- Gadget abc Entertainment Group AG
- Zürcher Kammerorchester
- Stargarage AG
- domino Event SARL St. Gallen www.dominoevent.ch
- GC Events Sagl
- swiss classics gmbh / Lucerne Chamber Circle
- KKL Luzern Management AG und Luzerner Sinfonieorchester
- Lucerne Chamber Circle