Data
- Act Entertainment AG Basel
- City Light Concerts
- Festival Strings Lucerne
- Ensemble Corund
- GMkonzerte
- Pro Senectute Kanton Luzern
- GC Events Sagl
- swiss classics gmbh / Lucerne Chamber Circle
- Good News Productions AG Glattpark
- WMC Media GmbH
- Luzern Live
- Act Entertainment AG Basel
- Pro Senectute Kanton Luzern