Data
- Act Entertainment AG Basel
- Jazz Club Luzern
- Festival Strings Lucerne
- Lucerne Festival
- domino Event SARL St. Gallen www.dominoevent.ch
- GC Events Sagl
- swiss classics gmbh / Lucerne Chamber Circle
- EJV Abteilung Jodelgesang
- CH Regionalmedien AG
- Festival Strings Lucerne - Daniel Dodds
- Summer Festival | LUCERNE FESTIVAL