Data
- City Light Concerts
- Gadget abc Entertainment Group AG
- Chor der Nationen Luzern
- Lucerne Festival
- Zentralschweizer Jugendsinfonieorchester ZJSO
- domino Event SARL St. Gallen www.dominoevent.ch
- argovia philharmonic
- GC Events Sagl
- swiss classics gmbh / Lucerne Chamber Circle
- CLAMUS Lucerne
- Summer Festival | LUCERNE FESTIVAL