Data
- Obrasso Classic Events GmbH
- Act Entertainment AG Basel
- Festival Strings Lucerne
- Gadget abc Entertainment Group AG
- Vokalensemble Luzern
- Lucerne Festival
- swiss classics gmbh / Lucerne Chamber Circle
- Good News Productions AG Glattpark
- Feldmusik Hochdorf
- Culture Communication GmbH
- Lucerne Chamber Circle
- Concert Hall