Data
- KKL Luzern Management AG
- Act Entertainment AG Basel
- Festival Strings Lucerne
- Gadget abc Entertainment Group AG
- GC Events Sagl
- Alegria Konzert GmbH
- Good News Productions AG Glattpark
- Culture Communication GmbH
- Furler Productions
- Konzertbüro Augsburg GmbH
- Festival Strings Lucerne - Daniel Dodds
- Good News Productions AG