Data
- Folk music
- Obrasso Classic Events GmbH
- Act Entertainment AG Basel
- Jazz Club Luzern
- Festival Strings Lucerne
- Konzertchor Klangwerk Luzern
- domino Event SARL St. Gallen www.dominoevent.ch
- GC Events Sagl
- Good News Productions AG Glattpark
- Feldmusik Hochdorf
- Culture Communication GmbH
- MyNina Spettacoli sagl