Data
- KKL Luzern Management AG
- GMkonzerte
- Pro Senectute Kanton Luzern
- LU Couture
- domino Event SARL St. Gallen www.dominoevent.ch
- GC Events Sagl
- swiss classics gmbh / Lucerne Chamber Circle
- Smallflower Events GmbH Elsau
- Alegria Konzert GmbH
- Feldmusik Hochdorf
- Maya Classics
- Secondhand Orchestra
- domino Event SARL