Data
- Festival Strings Lucerne
- Konzertchor Klangwerk Luzern
- Pro Senectute Kanton Luzern
- Stargarage AG
- GC Events Sagl
- swiss classics gmbh / Lucerne Chamber Circle
- Good News Productions AG Glattpark
- eco2friendly, c/o Otto Fischer AG
- Gadget abc Entertainment Group
- CONCORDIA
- GMkonzerte / Odessa Classics
- CONCORDIA