Data
- Classical music
- Obrasso Classic Events GmbH
- AllBlues Konzert AG, Winterthur
- Act Entertainment AG Basel
- Gadget abc Entertainment Group AG
- GC Events Sagl
- swiss classics gmbh / Lucerne Chamber Circle
- CLAMUS Lucerne
- eco2friendly, c/o Otto Fischer AG
- Furler Productions
- Obrasso Concerts
- World Band Festival Luzern