Data
- Act Entertainment AG Basel
- Festival Strings Lucerne
- Zürcher Kammerorchester
- Lucerne Festival
- GC Events Sagl
- swiss classics gmbh / Lucerne Chamber Circle
- Good News Productions AG Glattpark
- EJV Abteilung Jodelgesang
- Rima Entertainment AG
- Lorenz Hauser Management
- Festival Strings Lucerne - Daniel Dodds