Data
- Obrasso Classic Events GmbH
- Act Entertainment AG Basel
- Festival Strings Lucerne
- Gadget abc Entertainment Group AG
- Musikschule Stadt Luzern
- Chor der Nationen Luzern
- GC Events Sagl
- swiss classics gmbh / Lucerne Chamber Circle
- Rima Entertainment AG
- Neo Kultur GmbH
- Festival Strings Lucerne - Daniel Dodds