Data
- Silvester- und Neujahrskonzerte
- Obrasso Classic Events GmbH
- Act Entertainment AG Basel
- Ensemble Corund
- GMkonzerte
- Lucerne Festival
- 21st Century Orchestra
- Blasorchester FM Neuenkirch
- GC Events Sagl
- Smallflower Events GmbH Elsau
- Good News Productions AG Glattpark
- eco2friendly, c/o Otto Fischer AG
- ANDO Music Productions GmbH
- Concert Hall