Data
- Obrasso Classic Events GmbH
- Act Entertainment AG Basel
- City Light Concerts
- Festival Strings Lucerne
- Brassband Bürgermusik Luzern
- Feldmusik Luzern
- Zürcher Kammerorchester
- Pro Senectute Kanton Luzern
- GC Events Sagl
- Good News Productions AG Glattpark
- Konzertbüro Augsburg GmbH
- Festival Strings Lucerne - Daniel Dodds