Data
- Act Entertainment AG Basel
- City Light Concerts
- Festival Strings Lucerne
- Gadget abc Entertainment Group AG
- Ensemble Corund
- Pro Senectute Kanton Luzern
- GC Events Sagl
- Migros-Kulturprozent-Classics
- swiss classics gmbh / Lucerne Chamber Circle
- Good News Productions AG Glattpark
- CONCORDIA
- Migros-Kulturprozent-Classics
- Concert Hall