Data
- Act Entertainment AG Basel
- Jazz Club Luzern
- DaCapo Musikmarketing GmbH
- City Light Concerts
- Festival Strings Lucerne
- Chor der Nationen Luzern
- GC Events Sagl
- swiss classics gmbh / Lucerne Chamber Circle
- Maya Classics
- MyNina Spettacoli sagl
- GMkonzerte / Odessa Classics
- Festival Strings Lucerne - Daniel Dodds