Data
- Act Entertainment AG Basel
- City Light Concerts
- Festival Strings Lucerne
- Musikschule Stadt Luzern
- Ensemble Corund
- Pro Senectute Kanton Luzern
- Reisefibel Leipzig
- 21st Century Orchestra
- GC Events Sagl
- Good News Productions AG Glattpark
- Rima Entertainment AG
- GMkonzerte / Odessa Classics
- Pro Senectute Kanton Luzern