Data
- Luzerner Sinfonieorchester
- Act Entertainment AG Basel
- GMkonzerte
- 21st Century Orchestra
- GC Events Sagl
- Smallflower Events GmbH Elsau
- Good News Productions AG Glattpark
- Maya Classics
- eco2friendly, c/o Otto Fischer AG
- Jazz Club Luzern und AllBlues Konzert AG Winterthur
- Good News Productions AG
- Concert Hall