Data
- Act Entertainment AG Basel
- City Light Concerts
- Festival Strings Lucerne
- Gadget abc Entertainment Group AG
- Lucerne Festival
- swiss classics gmbh / Lucerne Chamber Circle
- Alegria Konzert GmbH
- EJV Abteilung Jodelgesang
- Feldmusik Hochdorf
- Culture Communication GmbH
- Festival Strings Lucerne - Daniel Dodds
- Concert Hall