Data
- Obrasso Classic Events GmbH
- Act Entertainment AG Basel
- Festival Strings Lucerne
- Vokalensemble Luzern
- Stargarage AG
- Blasorchester FM Neuenkirch
- GC Events Sagl
- swiss classics gmbh / Lucerne Chamber Circle
- Good News Productions AG Glattpark
- eco2friendly, c/o Otto Fischer AG
- Festival Strings Lucerne - Daniel Dodds