Data
- Obrasso Classic Events GmbH
- Act Entertainment AG Basel
- City Light Concerts
- Festival Strings Lucerne
- Lucerne Festival
- Stargarage AG
- domino Event SARL St. Gallen www.dominoevent.ch
- GC Events Sagl
- Good News Productions AG Glattpark
- World Band Festival Luzern
- Klavier-Fest | LUCERNE FESTIVAL
- Concert Hall