Data
- Act Entertainment AG Basel
- Festival Strings Lucerne
- Lucerne Festival
- argovia philharmonic
- Blasorchester FM Neuenkirch
- GC Events Sagl
- swiss classics gmbh / Lucerne Chamber Circle
- Good News Productions AG Glattpark
- Maya Classics
- Jazz Club Luzern und AllBlues Konzert AG Winterthur
- Act Entertainment AG Basel