Data
- Classical music
- Act Entertainment AG Basel
- Festival Strings Lucerne
- Blasorchester Stadtmusik Luzern
- domino Event SARL St. Gallen www.dominoevent.ch
- GC Events Sagl
- Alegria Konzert GmbH
- Good News Productions AG Glattpark
- Accademia Barocca Lucernensis
- GMkonzerte / Odessa Classics
- GMkonzerte / Odessa Classics