Data
- Act Entertainment AG Basel
- Festival Strings Lucerne
- Gadget abc Entertainment Group AG
- Chor der Nationen Luzern
- Lucerne Festival
- GC Events Sagl
- swiss classics gmbh / Lucerne Chamber Circle
- Euroconcerts Suisse Sarl
- eco2friendly, c/o Otto Fischer AG
- Konzertbüro Augsburg GmbH
- Festival Strings Lucerne - Daniel Dodds