Data
- Act Entertainment AG Basel
- Festival Strings Lucerne
- Zürcher Kammerorchester
- Stargarage AG
- argovia philharmonic
- GC Events Sagl
- swiss classics gmbh / Lucerne Chamber Circle
- KKL Luzern Management AG und Luzerner Sinfonieorchester
- Good News Productions AG Glattpark
- ENCORE! Entertainment AG
- Act Entertainment AG Basel
- Lucerne Hall