Data
- Act Entertainment AG Basel
- Jazz Club Luzern
- Festival Strings Lucerne
- Ensemble Corund
- Stargarage AG
- domino Event SARL St. Gallen www.dominoevent.ch
- GC Events Sagl
- swiss classics gmbh / Lucerne Chamber Circle
- Alegria Konzert GmbH
- Good News Productions AG Glattpark
- Festival Strings Lucerne - Daniel Dodds