Data
- Act Entertainment AG Basel
- Jazz Club Luzern
- Festival Strings Lucerne
- Hochschule Luzern – Musik
- GC Events Sagl
- swiss classics gmbh / Lucerne Chamber Circle
- Alegria Konzert GmbH
- Good News Productions AG Glattpark
- WMC Media GmbH
- Maya Classics
- eco2friendly, c/o Otto Fischer AG
- Act Entertainment AG Basel