Data
- Talks, Referate
- Act Entertainment AG Basel
- Festival Strings Lucerne
- Gadget abc Entertainment Group AG
- Musikschule Stadt Luzern
- Pro Senectute Kanton Luzern
- argovia philharmonic
- GC Events Sagl
- Good News Productions AG Glattpark
- WMC Media GmbH
- Culture Communication GmbH
- SJSO
- GMkonzerte / Odessa Classics