Data
- Act Entertainment AG Basel
- Jazz Club Luzern
- Festival Strings Lucerne
- Gadget abc Entertainment Group AG
- Feldmusik Luzern
- Pro Senectute Kanton Luzern
- argovia philharmonic
- GC Events Sagl
- Good News Productions AG Glattpark
- Culture Communication GmbH
- ArteCultura
- Festival Strings Lucerne - Daniel Dodds
- Act Entertainment AG Basel