Data
- Act Entertainment AG Basel
- Festival Strings Lucerne
- Zentralschweizer Jugendsinfonieorchester ZJSO
- 21st Century Orchestra
- GC Events Sagl
- Migros-Kulturprozent-Classics
- Smallflower Events GmbH Elsau
- Good News Productions AG Glattpark
- Festival Strings Lucerne - Daniel Dodds
- Migros-Kulturprozent-Classics