Data
- Act Entertainment AG Basel
- Festival Strings Lucerne
- Lucerne Festival
- Pro Senectute Kanton Luzern
- GC Events Sagl
- Migros-Kulturprozent-Classics
- Smallflower Events GmbH Elsau
- Good News Productions AG Glattpark
- Rima Entertainment AG
- CONCORDIA
- Festival Strings Lucerne - Daniel Dodds
- Migros-Kulturprozent-Classics