Data
- Luzerner Sinfonieorchester
- Act Entertainment AG Basel
- Festival Strings Lucerne
- Gadget abc Entertainment Group AG
- Chor der Nationen Luzern
- GC Events Sagl
- swiss classics gmbh / Lucerne Chamber Circle
- Rima Entertainment AG
- ENCORE! Entertainment AG
- GMkonzerte / Odessa Classics
- Act Entertainment AG Basel