Data
- Act Entertainment AG Basel
- City Light Concerts
- Gadget abc Entertainment Group AG
- Blasorchester Stadtmusik Luzern
- Zürcher Kammerorchester
- Lucerne Festival
- GC Events Sagl
- swiss classics gmbh / Lucerne Chamber Circle
- CLAMUS Lucerne
- Smallflower Events GmbH Elsau
- Maya Classics
- Klavier-Fest | LUCERNE FESTIVAL