Data
- KKL Luzern Management AG
- Act Entertainment AG Basel
- Zürcher Kammerorchester
- Ensemble Corund
- GC Events Sagl
- swiss classics gmbh / Lucerne Chamber Circle
- KKL Luzern Management AG und Luzerner Sinfonieorchester
- Feldmusik Hochdorf
- Furler Productions
- ANDO Music Productions GmbH
- Act Entertainment AG Basel