Data
- AllBlues Konzert AG, Winterthur
- Luzerner Sinfonieorchester
- Act Entertainment AG Basel
- City Light Concerts
- Festival Strings Lucerne
- 21st Century Orchestra
- GC Events Sagl
- Migros-Kulturprozent-Classics
- Smallflower Events GmbH Elsau
- Good News Productions AG Glattpark
- Bliss Music LLC
- AllBlues Konzert AG Winterthur