Data
- Act Entertainment AG Basel
- Jazz Club Luzern
- City Light Concerts
- Festival Strings Lucerne
- Konzertchor Klangwerk Luzern
- GC Events Sagl
- swiss classics gmbh / Lucerne Chamber Circle
- Smallflower Events GmbH Elsau
- Jazz Club Luzern und AllBlues Konzert AG Winterthur
- Secondhand Orchestra
- Act Entertainment AG Basel