Data
- Act Entertainment AG Basel
- Festival Strings Lucerne
- Gadget abc Entertainment Group AG
- Vokalensemble Luzern
- GMkonzerte
- Lucerne Festival
- swiss classics gmbh / Lucerne Chamber Circle
- Alegria Konzert GmbH
- Good News Productions AG Glattpark
- Feldmusik Hochdorf
- Summer Festival | LUCERNE FESTIVAL
- Concert Hall