Data
- Act Entertainment AG Basel
- Jazz Club Luzern
- Festival Strings Lucerne
- GMkonzerte
- domino Event SARL St. Gallen www.dominoevent.ch
- GC Events Sagl
- Smallflower Events GmbH Elsau
- Good News Productions AG Glattpark
- Feldmusik Hochdorf
- Culture Communication GmbH
- Rima Entertainment AG
- Festival Strings Lucerne - Daniel Dodds