Data
- Act Entertainment AG Basel
- Festival Strings Lucerne
- Pro Senectute Kanton Luzern
- domino Event SARL St. Gallen www.dominoevent.ch
- argovia philharmonic
- 21st Century Orchestra
- GC Events Sagl
- Good News Productions AG Glattpark
- Culture Communication GmbH
- Maya Classics
- Secondhand Orchestra
- Festival Strings Lucerne - Daniel Dodds