Data
- Classical music
- Act Entertainment AG Basel
- City Light Concerts
- Festival Strings Lucerne
- Lucerne Festival
- GC Events Sagl
- Migros-Kulturprozent-Classics
- Smallflower Events GmbH Elsau
- Good News Productions AG Glattpark
- GMkonzerte / Odessa Classics
- Konzertbüro Augsburg GmbH
- Summer Festival | LUCERNE FESTIVAL