Data
- AllBlues Konzert AG, Winterthur
- Jazz Club Luzern
- City Light Concerts
- Gadget abc Entertainment Group AG
- domino Event SARL St. Gallen www.dominoevent.ch
- GC Events Sagl
- Migros-Kulturprozent-Classics
- swiss classics gmbh / Lucerne Chamber Circle
- CLAMUS Lucerne
- Euroconcerts Suisse Sarl
- SJSO
- Lucerne Chamber Circle