Data
- Talks, Referate
- Act Entertainment AG Basel
- DaCapo Musikmarketing GmbH
- Festival Strings Lucerne
- Pro Senectute Kanton Luzern
- argovia philharmonic
- GC Events Sagl
- swiss classics gmbh / Lucerne Chamber Circle
- Good News Productions AG Glattpark
- Culture Communication GmbH
- Swiss Music Awards
- Gadget abc Entertainment Group