Data
- KKL Luzern Management AG
- Obrasso Classic Events GmbH
- AllBlues Konzert AG, Winterthur
- Festival Strings Lucerne
- Stargarage AG
- GC Events Sagl
- swiss classics gmbh / Lucerne Chamber Circle
- Good News Productions AG Glattpark
- eco2friendly, c/o Otto Fischer AG
- Secondhand Orchestra
- AllBlues Konzert AG Winterthur