Data
- Act Entertainment AG Basel
- City Light Concerts
- Festival Strings Lucerne
- Ensemble Corund
- GC Events Sagl
- Good News Productions AG Glattpark
- EJV Abteilung Jodelgesang
- Euroconcerts Suisse Sarl
- eco2friendly, c/o Otto Fischer AG
- Furler Productions
- MyNina Spettacoli sagl
- GMkonzerte / Odessa Classics
- City Light Concerts
December
2024