Data
- Act Entertainment AG Basel
- Festival Strings Lucerne
- Verein Luzerner Blues Session
- Pro Senectute Kanton Luzern
- argovia philharmonic
- GC Events Sagl
- Good News Productions AG Glattpark
- Culture Communication GmbH
- MyNina Spettacoli sagl
- ENCORE! Entertainment AG
- Konzertbüro Augsburg GmbH
- Festival Strings Lucerne - Daniel Dodds