Data
- Act Entertainment AG Basel
- domino Event SARL St. Gallen www.dominoevent.ch
- GC Events Sagl
- Migros-Kulturprozent-Classics
- swiss classics gmbh / Lucerne Chamber Circle
- KKL Luzern Management AG und Luzerner Sinfonieorchester
- Maya Classics
- Furler Productions
- Lorenz Hauser Management
- Act Entertainment AG Basel