Data
- Act Entertainment AG Basel
- City Light Concerts
- Festival Strings Lucerne
- Lucerne Festival
- GC Events Sagl
- swiss classics gmbh / Lucerne Chamber Circle
- Good News Productions AG Glattpark
- Maya Classics
- CH Regionalmedien AG
- City Light Concerts
- Summer Festival | LUCERNE FESTIVAL
- Klavier-Fest | LUCERNE FESTIVAL