Data
- Act Entertainment AG Basel
- City Light Concerts
- Zürcher Kammerorchester
- Zentralschweizer Jugendsinfonieorchester ZJSO
- 21st Century Orchestra
- GC Events Sagl
- Migros-Kulturprozent-Classics
- swiss classics gmbh / Lucerne Chamber Circle
- Good News Productions AG Glattpark
- 21st Century Orchestra
- Migros-Kulturprozent-Classics