Data
- Brass music
- Obrasso Classic Events GmbH
- AllBlues Konzert AG, Winterthur
- Festival Strings Lucerne
- Gadget abc Entertainment Group AG
- Brassband Bürgermusik Luzern
- Chor der Nationen Luzern
- Ensemble Corund
- domino Event SARL St. Gallen www.dominoevent.ch
- 21st Century Orchestra
- GC Events Sagl
- CLAMUS Lucerne