Data
- KKL Luzern Management AG
- Obrasso Classic Events GmbH
- AllBlues Konzert AG, Winterthur
- Act Entertainment AG Basel
- DaCapo Musikmarketing GmbH
- Festival Strings Lucerne
- Chor der Nationen Luzern
- GC Events Sagl
- swiss classics gmbh / Lucerne Chamber Circle
- Rima Entertainment AG
- AllBlues Konzert AG Winterthur