Data
- Act Entertainment AG Basel
- Festival Strings Lucerne
- Gadget abc Entertainment Group AG
- Blasorchester Stadtmusik Luzern
- Chor der Nationen Luzern
- GC Events Sagl
- swiss classics gmbh / Lucerne Chamber Circle
- Furler Productions
- MyNina Spettacoli sagl
- Blasorchester Stadtmusik Luzern
- Act Entertainment AG Basel