Data
- Luzerner Sinfonieorchester
- Act Entertainment AG Basel
- Festival Strings Lucerne
- domino Event SARL St. Gallen www.dominoevent.ch
- argovia philharmonic
- GC Events Sagl
- Migros-Kulturprozent-Classics
- KKL Luzern Management AG und Luzerner Sinfonieorchester
- ENCORE! Entertainment AG
- Act Entertainment AG Basel