
Hell Yes! Festival is a three-day electronic music and light festival taking place on 26–28 June 2026 at Helfštýn Castle in the Czech Republic.
The event combines contemporary electronic music, audiovisual performances and large-scale videomapping within the unique historical setting of the castle.
The programme features curated international and local artists, immersive light installations and site-specific projections responding to the fortress architecture.
Announced artists:
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