Data
- Act Entertainment AG Basel
- Festival Strings Lucerne
- Gadget abc Entertainment Group AG
- Lucerne Festival
- Pro Senectute Kanton Luzern
- swiss classics gmbh / Lucerne Chamber Circle
- Feldmusik Hochdorf
- Culture Communication GmbH
- Hochschule Luzern - Musik
- Klavier-Fest | LUCERNE FESTIVAL
- Pro Senectute Kanton Luzern
- Concert Hall