Data
- Obrasso Classic Events GmbH
- Act Entertainment AG Basel
- City Light Concerts
- Festival Strings Lucerne
- Lucerne Festival
- 21st Century Orchestra
- GC Events Sagl
- swiss classics gmbh / Lucerne Chamber Circle
- Good News Productions AG Glattpark
- EJV Abteilung Jodelgesang
- Konzertbüro Augsburg GmbH
- Klavier-Fest | LUCERNE FESTIVAL