Data
- Act Entertainment AG Basel
- Festival Strings Lucerne
- Radio Pilatus AG *
- Lucerne Festival
- Stargarage AG
- GC Events Sagl
- swiss classics gmbh / Lucerne Chamber Circle
- Smallflower Events GmbH Elsau
- Good News Productions AG Glattpark
- Maya Classics
- Summer Festival | LUCERNE FESTIVAL
- Good News Productions AG