Data
- KKL Luzern Management AG
- Act Entertainment AG Basel
- Festival Strings Lucerne
- Stargarage AG
- 21st Century Orchestra
- GC Events Sagl
- Migros-Kulturprozent-Classics
- swiss classics gmbh / Lucerne Chamber Circle
- Good News Productions AG Glattpark
- Jazz Club Luzern und AllBlues Konzert AG Winterthur
- Gadget abc Entertainment Group
- 21st Century Orchestra