Data
- Act Entertainment AG Basel
- Festival Strings Lucerne
- Gadget abc Entertainment Group AG
- Lucerne Festival
- Pro Senectute Kanton Luzern
- argovia philharmonic
- GC Events Sagl
- swiss classics gmbh / Lucerne Chamber Circle
- Good News Productions AG Glattpark
- Culture Communication GmbH
- MyNina Spettacoli sagl
- SJSO
- CH Regionalmedien AG
- Inseli