Data
- others
- Silvester- und Neujahrskonzerte
- Obrasso Classic Events GmbH
- Act Entertainment AG Basel
- Gadget abc Entertainment Group AG
- Bach Ensemble Luzern
- Zentralschweizer Jugendsinfonieorchester ZJSO
- 21st Century Orchestra
- GC Events Sagl
- Good News Productions AG Glattpark
- eco2friendly, c/o Otto Fischer AG
June 2024
J
October 2024
O
January 2025
J