Data
- Act Entertainment AG Basel
- Festival Strings Lucerne
- Gadget abc Entertainment Group AG
- Konzertchor Klangwerk Luzern
- Pro Senectute Kanton Luzern
- GC Events Sagl
- Alegria Konzert GmbH
- Good News Productions AG Glattpark
- Maya Classics
- Furler Productions
- ANDO Music Productions GmbH
- Festival Strings Lucerne - Daniel Dodds