Data
- Act Entertainment AG Basel
- City Light Concerts
- Festival Strings Lucerne
- Gadget abc Entertainment Group AG
- Blasorchester Stadtmusik Luzern
- Pro Senectute Kanton Luzern
- GC Events Sagl
- swiss classics gmbh / Lucerne Chamber Circle
- Good News Productions AG Glattpark
- Euroconcerts Suisse Sarl
- ENCORE! Entertainment AG
- Pro Senectute Kanton Luzern