Data
- AllBlues Konzert AG, Winterthur
- Act Entertainment AG Basel
- Gadget abc Entertainment Group AG
- Blasorchester Stadtmusik Luzern
- Zürcher Kammerorchester
- 21st Century Orchestra
- GC Events Sagl
- swiss classics gmbh / Lucerne Chamber Circle
- CLAMUS Lucerne
- 21st Century Orchestra
- AllBlues Konzert AG Winterthur