Data
- Act Entertainment AG Basel
- Festival Strings Lucerne
- Ensemble Corund
- argovia philharmonic
- 21st Century Orchestra
- Blasorchester FM Neuenkirch
- GC Events Sagl
- swiss classics gmbh / Lucerne Chamber Circle
- Good News Productions AG Glattpark
- eco2friendly, c/o Otto Fischer AG
- ENCORE! Entertainment AG
- Act Entertainment AG Basel