Data
- Act Entertainment AG Basel
- Feldmusik Luzern
- Ensemble Corund
- GMkonzerte
- Stargarage AG
- domino Event SARL St. Gallen www.dominoevent.ch
- 21st Century Orchestra
- GC Events Sagl
- Alegria Konzert GmbH
- Good News Productions AG Glattpark
- Rima Entertainment AG
- eco2friendly, c/o Otto Fischer AG
- Alegria Konzert GmbH
November
2024