Data
- 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
- Smallflower Events GmbH Elsau
- Euroconcerts Suisse Sarl
- Konzertbüro Augsburg GmbH
- Secondhand Orchestra
- Festival Strings Lucerne - Daniel Dodds