Data
- KKL Luzern Management AG
- Act Entertainment AG Basel
- Festival Strings Lucerne
- Gadget abc Entertainment Group AG
- Pro Senectute Kanton Luzern
- domino Event SARL St. Gallen www.dominoevent.ch
- GC Events Sagl
- Good News Productions AG Glattpark
- Culture Communication GmbH
- Maya Classics
- SJSO
- GMkonzerte / Odessa Classics
- Festival Strings Lucerne - Daniel Dodds