Data
- AllBlues Konzert AG, Winterthur
- Act Entertainment AG Basel
- Festival Strings Lucerne
- argovia philharmonic
- Blasorchester FM Neuenkirch
- GC Events Sagl
- swiss classics gmbh / Lucerne Chamber Circle
- Good News Productions AG Glattpark
- eco2friendly, c/o Otto Fischer AG
- CH Regionalmedien AG
- Lucerne Chamber Circle