Data
- Act Entertainment AG Basel
- DaCapo Musikmarketing GmbH
- Festival Strings Lucerne
- Zürcher Kammerorchester
- Stargarage AG
- argovia philharmonic
- GC Events Sagl
- swiss classics gmbh / Lucerne Chamber Circle
- Good News Productions AG Glattpark
- Neo Kultur GmbH
- ArteCultura
- Festival Strings Lucerne - Daniel Dodds