Data
- AllBlues Konzert AG, Winterthur
- Act Entertainment AG Basel
- Festival Strings Lucerne
- GMkonzerte
- Lucerne Festival
- 21st Century Orchestra
- GC Events Sagl
- Smallflower Events GmbH Elsau
- Good News Productions AG Glattpark
- eco2friendly, c/o Otto Fischer AG
- Summer Festival | LUCERNE FESTIVAL
- Klavier-Fest | LUCERNE FESTIVAL
- Concert Hall