Data
- Act Entertainment AG Basel
- Brassband Bürgermusik Luzern
- Feldmusik Luzern
- Stargarage AG
- domino Event SARL St. Gallen www.dominoevent.ch
- argovia philharmonic
- 21st Century Orchestra
- GC Events Sagl
- Migros-Kulturprozent-Classics
- Alegria Konzert GmbH
- Good News Productions AG Glattpark
- 21st Century Orchestra