Data
- AllBlues Konzert AG, Winterthur
- Luzerner Sinfonieorchester
- Act Entertainment AG Basel
- Festival Strings Lucerne
- Gadget abc Entertainment Group AG
- Blasorchester Stadtmusik Luzern
- GC Events Sagl
- CLAMUS Lucerne
- Euroconcerts Suisse Sarl
- GMkonzerte / Odessa Classics
- Secondhand Orchestra
- AllBlues Konzert AG Winterthur