Data
- Act Entertainment AG Basel
- Festival Strings Lucerne
- GC Events Sagl
- swiss classics gmbh / Lucerne Chamber Circle
- Smallflower Events GmbH Elsau
- Good News Productions AG Glattpark
- Maya Classics
- SJSO
- Lorenz Hauser Management
- Gadget abc Entertainment Group
- Neo Kultur GmbH
- Festival Strings Lucerne - Daniel Dodds