Data
- Jazz, Blues, Gospel
- Classical music
- Obrasso Classic Events GmbH
- Act Entertainment AG Basel
- Festival Strings Lucerne
- Musikschule Stadt Luzern
- GMkonzerte
- domino Event SARL St. Gallen www.dominoevent.ch
- GC Events Sagl
- Good News Productions AG Glattpark
- Festival Strings Lucerne - Daniel Dodds
- Concert Hall