Data
- Brass music
- Obrasso Classic Events GmbH
- Act Entertainment AG Basel
- City Light Concerts
- Zürcher Kammerorchester
- Lucerne Festival
- 21st Century Orchestra
- Alegria Konzert GmbH
- Good News Productions AG Glattpark
- Feldmusik Hochdorf
- Culture Communication GmbH
- Jazz Club Luzern und AllBlues Konzert AG Winterthur
- Concert Hall