Data
- KKL Luzern Management AG
- Act Entertainment AG Basel
- Jazz Club Luzern
- Gadget abc Entertainment Group AG
- Verein Luzerner Blues Session
- GC Events Sagl
- Migros-Kulturprozent-Classics
- swiss classics gmbh / Lucerne Chamber Circle
- CLAMUS Lucerne
- Maya Classics
- GMkonzerte / Odessa Classics
- Act Entertainment AG Basel