Data
- Act Entertainment AG Basel
- City Light Concerts
- Festival Strings Lucerne
- Zürcher Kammerorchester
- Pro Senectute Kanton Luzern
- 21st Century Orchestra
- GC Events Sagl
- KKL Luzern Management AG und Luzerner Sinfonieorchester
- Good News Productions AG Glattpark
- Konzertbüro Augsburg GmbH
- Festival Strings Lucerne - Daniel Dodds