Data
- Act Entertainment AG Basel
- Brassband Bürgermusik Luzern
- domino Event SARL St. Gallen www.dominoevent.ch
- GC Events Sagl
- Migros-Kulturprozent-Classics
- swiss classics gmbh / Lucerne Chamber Circle
- Smallflower Events GmbH Elsau
- Good News Productions AG Glattpark
- Furler Productions
- Migros-Kulturprozent-Classics