Data
- Obrasso Classic Events GmbH
- Radio Pilatus AG
- AllBlues Konzert AG, Winterthur
- Act Entertainment AG Basel
- Gadget abc Entertainment Group AG
- GC Events Sagl
- swiss classics gmbh / Lucerne Chamber Circle
- CLAMUS Lucerne
- Jazz Club Luzern und AllBlues Konzert AG Winterthur
- Lorenz Hauser Management
- Lucerne Chamber Circle