Data
- Luzerner Sinfonieorchester
- Act Entertainment AG Basel
- Jazz Club Luzern
- Festival Strings Lucerne
- 21st Century Orchestra
- Good News Productions AG Glattpark
- Feldmusik Hochdorf
- Culture Communication GmbH
- Lorenz Hauser Management
- ENCORE! Entertainment AG
- Konzertbüro Augsburg GmbH
- Act Entertainment AG Basel