Data
- KKL Luzern Management AG
- Obrasso Classic Events GmbH
- AllBlues Konzert AG, Winterthur
- Act Entertainment AG Basel
- Gadget abc Entertainment Group AG
- Verein Luzerner Blues Session
- GC Events Sagl
- Migros-Kulturprozent-Classics
- CLAMUS Lucerne
- eco2friendly, c/o Otto Fischer AG
- ArteCultura
- Act Entertainment AG Basel