Data
- Obrasso Classic Events GmbH
- Act Entertainment AG Basel
- Festival Strings Lucerne
- Konzertchor Klangwerk Luzern
- Zürcher Kammerorchester
- argovia philharmonic
- GC Events Sagl
- swiss classics gmbh / Lucerne Chamber Circle
- Good News Productions AG Glattpark
- Gadget abc Entertainment Group
- World Band Festival Luzern