Data
- Brass music
- Obrasso Classic Events GmbH
- Luzerner Sinfonieorchester
- Act Entertainment AG Basel
- Gadget abc Entertainment Group AG
- Stadtorchester Luzern
- Zürcher Kammerorchester
- Reisefibel Leipzig
- GC Events Sagl
- Migros-Kulturprozent-Classics
- Smallflower Events GmbH Elsau
- Good News Productions AG Glattpark