Data
- Radio Pilatus AG
- Act Entertainment AG Basel
- Vokalensemble Luzern
- GMkonzerte
- domino Event SARL St. Gallen www.dominoevent.ch
- GC Events Sagl
- KKL Luzern Management AG und Luzerner Sinfonieorchester
- Good News Productions AG Glattpark
- Maya Classics
- Rima Entertainment AG
- Accademia Barocca Lucernensis
- Rima Entertainment