Data
- Brass music
- Obrasso Classic Events GmbH
- DaCapo Musikmarketing GmbH
- Gadget abc Entertainment Group AG
- Brassband Bürgermusik Luzern
- Chor der Nationen Luzern
- Ensemble Corund
- domino Event SARL St. Gallen www.dominoevent.ch
- GC Events Sagl
- CLAMUS Lucerne
- Good News Productions AG Glattpark
- MyNina Spettacoli sagl
- Secondhand Orchestra