Data
- AllBlues Konzert AG, Winterthur
- Gadget abc Entertainment Group AG
- Feldmusik Luzern
- Vokalensemble Luzern
- Lucerne Festival
- Pro Senectute Kanton Luzern
- GC Events Sagl
- swiss classics gmbh / Lucerne Chamber Circle
- CLAMUS Lucerne
- eco2friendly, c/o Otto Fischer AG
- ENCORE! Entertainment AG
- ENCORE - Entertainment AG