Data
- Act Entertainment AG Basel
- DaCapo Musikmarketing GmbH
- Festival Strings Lucerne
- Chor der Nationen Luzern
- Zürcher Kammerorchester
- GC Events Sagl
- swiss classics gmbh / Lucerne Chamber Circle
- Maya Classics
- eco2friendly, c/o Otto Fischer AG
- ENCORE! Entertainment AG
- Festival Strings Lucerne - Daniel Dodds