Data
- Act Entertainment AG Basel
- Jazz Club Luzern
- City Light Concerts
- Festival Strings Lucerne
- Gadget abc Entertainment Group AG
- Chor der Nationen Luzern
- GC Events Sagl
- Migros-Kulturprozent-Classics
- swiss classics gmbh / Lucerne Chamber Circle
- GMkonzerte / Odessa Classics
- Festival Strings Lucerne - Daniel Dodds