Data
- Act Entertainment AG Basel
- Festival Strings Lucerne
- Ensemble Corund
- Pro Senectute Kanton Luzern
- domino Event SARL St. Gallen www.dominoevent.ch
- argovia philharmonic
- GC Events Sagl
- Good News Productions AG Glattpark
- Culture Communication GmbH
- Lorenz Hauser Management
- Neo Kultur GmbH
- Festival Strings Lucerne - Daniel Dodds