Data
- AllBlues Konzert AG, Winterthur
- Act Entertainment AG Basel
- Festival Strings Lucerne
- domino Event SARL St. Gallen www.dominoevent.ch
- GC Events Sagl
- swiss classics gmbh / Lucerne Chamber Circle
- Euroconcerts Suisse Sarl
- Rima Entertainment AG
- Gadget abc Entertainment Group
- Festival Strings Lucerne - Daniel Dodds