Data
- Act Entertainment AG Basel
- Jazz Club Luzern
- Festival Strings Lucerne
- swiss classics gmbh / Lucerne Chamber Circle
- Smallflower Events GmbH Elsau
- Alegria Konzert GmbH
- Good News Productions AG Glattpark
- Feldmusik Hochdorf
- Culture Communication GmbH
- eco2friendly, c/o Otto Fischer AG
- Lucerne Chamber Circle