Data
- Act Entertainment AG Basel
- Festival Strings Lucerne
- Vokalensemble Luzern
- argovia philharmonic
- 21st Century Orchestra
- Blasorchester FM Neuenkirch
- GC Events Sagl
- Migros-Kulturprozent-Classics
- Alegria Konzert GmbH
- KKL Luzern Management AG und Luzerner Sinfonieorchester
- ENCORE! Entertainment AG
- 21st Century Orchestra