Data
- AllBlues Konzert AG, Winterthur
- Act Entertainment AG Basel
- Gadget abc Entertainment Group AG
- Konzertchor Luzern
- 21st Century Orchestra
- GC Events Sagl
- Migros-Kulturprozent-Classics
- swiss classics gmbh / Lucerne Chamber Circle
- CLAMUS Lucerne
- Swiss Music Awards
- ENCORE! Entertainment AG
- AllBlues Konzert AG Winterthur