Data
- Obrasso Classic Events GmbH
- Act Entertainment AG Basel
- City Light Concerts
- Festival Strings Lucerne
- Pro Senectute Kanton Luzern
- argovia philharmonic
- GC Events Sagl
- Migros-Kulturprozent-Classics
- Good News Productions AG Glattpark
- Culture Communication GmbH
- Swiss Music Awards
- Act Entertainment AG Basel