Data
- Obrasso Classic Events GmbH
- Radio Pilatus AG
- AllBlues Konzert AG, Winterthur
- Act Entertainment AG Basel
- City Light Concerts
- Festival Strings Lucerne
- Gadget abc Entertainment Group AG
- Zentralschweizer Jugendsinfonieorchester ZJSO
- GC Events Sagl
- Good News Productions AG Glattpark
- GMkonzerte / Odessa Classics
- City Light Concerts
December
2024