Data
- Act Entertainment AG Basel
- City Light Concerts
- Gadget abc Entertainment Group AG
- Feldmusik Luzern
- Lucerne Festival
- GC Events Sagl
- swiss classics gmbh / Lucerne Chamber Circle
- CLAMUS Lucerne
- Agentur Springbock GmbH
- Furler Productions
- Jazz Club Luzern und AllBlues Konzert AG Winterthur
- Klavier-Fest | LUCERNE FESTIVAL