Data
- Obrasso Classic Events GmbH
- Act Entertainment AG Basel
- City Light Concerts
- Festival Strings Lucerne
- Verein Luzerner Blues Session
- Brassband Bürgermusik Luzern
- Zürcher Kammerorchester
- GC Events Sagl
- Good News Productions AG Glattpark
- ANDO Music Productions GmbH
- Festival Strings Lucerne - Daniel Dodds