Data
- Act Entertainment AG Basel
- Festival Strings Lucerne
- Konzertchor Klangwerk Luzern
- Stadtorchester Luzern
- GMkonzerte
- Lucerne Festival
- GC Events Sagl
- Migros-Kulturprozent-Classics
- Good News Productions AG Glattpark
- Culture Communication GmbH
- Gadget abc Entertainment Group
- Klavier-Fest | LUCERNE FESTIVAL