Data
- KKL Luzern Management AG
- Act Entertainment AG Basel
- Festival Strings Lucerne
- Radio Pilatus AG *
- Stargarage AG
- GC Events Sagl
- Alegria Konzert GmbH
- Good News Productions AG Glattpark
- Culture Communication GmbH
- GMkonzerte / Odessa Classics
- Festival Strings Lucerne - Daniel Dodds
- GMkonzerte / Odessa Classics