Data
- Brass music
- KKL Luzern Management AG
- Obrasso Classic Events GmbH
- AllBlues Konzert AG, Winterthur
- Act Entertainment AG Basel
- Jazz Club Luzern
- GMkonzerte
- domino Event SARL St. Gallen www.dominoevent.ch
- Blasorchester FM Neuenkirch
- GC Events Sagl
- KKL Luzern Management AG und Luzerner Sinfonieorchester
- Good News Productions AG Glattpark
- eco2friendly, c/o Otto Fischer AG
May 2025
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