Data
- Obrasso Classic Events GmbH
- Gadget abc Entertainment Group AG
- Pro Senectute Kanton Luzern
- 21st Century Orchestra
- GC Events Sagl
- Smallflower Events GmbH Elsau
- Agentur Springbock GmbH
- Feldmusik Hochdorf
- MyNina Spettacoli sagl
- Jazz Club Luzern und AllBlues Konzert AG Winterthur
- 21st Century Orchestra
- Concert Hall