Data
- Obrasso Classic Events GmbH
- Act Entertainment AG Basel
- Festival Strings Lucerne
- Gadget abc Entertainment Group AG
- Feldmusik Luzern
- Pro Senectute Kanton Luzern
- argovia philharmonic
- Good News Productions AG Glattpark
- Culture Communication GmbH
- Rima Entertainment AG
- CH Regionalmedien AG
- Obrasso Concerts