Data
- Act Entertainment AG Basel
- Bach Ensemble Luzern
- Pro Senectute Kanton Luzern
- Zentralschweizer Jugendsinfonieorchester ZJSO
- 21st Century Orchestra
- GC Events Sagl
- Smallflower Events GmbH Elsau
- Good News Productions AG Glattpark
- eco2friendly, c/o Otto Fischer AG
- GMkonzerte / Odessa Classics
- 21st Century Orchestra