Data
- AllBlues Konzert AG, Winterthur
- Act Entertainment AG Basel
- Festival Strings Lucerne
- Konzertchor Klangwerk Luzern
- Lucerne Festival
- Pro Senectute Kanton Luzern
- argovia philharmonic
- GC Events Sagl
- Good News Productions AG Glattpark
- Luzern Live
- Summer Festival | LUCERNE FESTIVAL
- Good News Productions AG