Data
- Jazz Club Luzern
- Gadget abc Entertainment Group AG
- domino Event SARL St. Gallen www.dominoevent.ch
- GC Events Sagl
- swiss classics gmbh / Lucerne Chamber Circle
- CLAMUS Lucerne
- Alegria Konzert GmbH
- Good News Productions AG Glattpark
- Euroconcerts Suisse Sarl
- SJSO
- ANDO Music Productions GmbH
- domino Event SARL