Data
- Act Entertainment AG Basel
- Festival Strings Lucerne
- Blasorchester Stadtmusik Luzern
- Brassband Bürgermusik Luzern
- Lucerne Festival
- domino Event SARL St. Gallen www.dominoevent.ch
- 21st Century Orchestra
- GC Events Sagl
- Good News Productions AG Glattpark
- EJV Abteilung Jodelgesang
- Maya Classics
- ENCORE! Entertainment AG
- Act Entertainment AG Basel