Data
- Luzerner Sinfonieorchester
- Act Entertainment AG Basel
- Jazz Club Luzern
- Festival Strings Lucerne
- domino Event SARL St. Gallen www.dominoevent.ch
- GC Events Sagl
- Migros-Kulturprozent-Classics
- Alegria Konzert GmbH
- Good News Productions AG Glattpark
- Culture Communication GmbH
- CONCORDIA
- Act Entertainment AG Basel