Data
- KKL Luzern Management AG
- Act Entertainment AG Basel
- City Light Concerts
- Festival Strings Lucerne
- Gadget abc Entertainment Group AG
- Bach Ensemble Luzern
- GC Events Sagl
- swiss classics gmbh / Lucerne Chamber Circle
- Smallflower Events GmbH Elsau
- Alegria Konzert GmbH
- GMkonzerte / Odessa Classics
- Act Entertainment AG Basel