Data
- Obrasso Classic Events GmbH
- Act Entertainment AG Basel
- DaCapo Musikmarketing GmbH
- Gadget abc Entertainment Group AG
- Lucerne Festival
- 21st Century Orchestra
- EJV Abteilung Jodelgesang
- Jazz Club Luzern und AllBlues Konzert AG Winterthur
- Gadget abc Entertainment Group
- Summer Festival | LUCERNE FESTIVAL
- 21st Century Orchestra