Data
- AllBlues Konzert AG, Winterthur
- City Light Concerts
- Gadget abc Entertainment Group AG
- Konzertchor Luzern
- 21st Century Orchestra
- GC Events Sagl
- Migros-Kulturprozent-Classics
- swiss classics gmbh / Lucerne Chamber Circle
- CLAMUS Lucerne
- Smallflower Events GmbH Elsau
- WMC Media GmbH
- Lucerne Chamber Circle