Data
- Act Entertainment AG Basel
- City Light Concerts
- Festival Strings Lucerne
- Zürcher Kammerorchester
- Ensemble Corund
- Pro Senectute Kanton Luzern
- GC Events Sagl
- Alegria Konzert GmbH
- Good News Productions AG Glattpark
- Furler Productions
- Secondhand Orchestra
- Festival Strings Lucerne - Daniel Dodds
- Pro Senectute Kanton Luzern