Data
- Jazz Club Luzern
- Gadget abc Entertainment Group AG
- domino Event SARL St. Gallen www.dominoevent.ch
- 21st Century Orchestra
- GC Events Sagl
- swiss classics gmbh / Lucerne Chamber Circle
- CLAMUS Lucerne
- Euroconcerts Suisse Sarl
- Rima Entertainment AG
- SJSO
- GMkonzerte / Odessa Classics
- GMkonzerte / Odessa Classics