Data
- Festival Strings Lucerne
- Gadget abc Entertainment Group AG
- GMkonzerte
- Pro Senectute Kanton Luzern
- domino Event SARL St. Gallen www.dominoevent.ch
- GC Events Sagl
- Feldmusik Hochdorf
- Rima Entertainment AG
- MyNina Spettacoli sagl
- ENCORE! Entertainment AG
- Festival Strings Lucerne - Daniel Dodds
- Concert Hall
- Lucerne Hall