Data
- Obrasso Classic Events GmbH
- AllBlues Konzert AG, Winterthur
- Gadget abc Entertainment Group AG
- Pro Senectute Kanton Luzern
- GC Events Sagl
- KKL Luzern Management AG und Luzerner Sinfonieorchester
- Maya Classics
- eco2friendly, c/o Otto Fischer AG
- Furler Productions
- Lorenz Hauser Management
- Obrasso Concerts