Data
- Act Entertainment AG Basel
- Festival Strings Lucerne
- Pro Senectute Kanton Luzern
- argovia philharmonic
- GC Events Sagl
- Alegria Konzert GmbH
- Good News Productions AG Glattpark
- Culture Communication GmbH
- Furler Productions
- Jazz Club Luzern und AllBlues Konzert AG Winterthur
- CONCORDIA
- Pro Senectute Kanton Luzern