Complexity Fest 2027
A high-energy metal night.
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Complexity Fest returns to Patronaat in Haarlem with a lineup celebrating progressive and heavy metal. Tickets on Mood.
Complexity Fest returns in 2027 at Patronaat, bringing together leading artists and fans of progressive and heavy metal music.
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Common questions
When and where does Complexity Fest take place?+
Complexity Fest takes place on August 21, 2027, at Patronaat located at Zijlsingel 2, Haarlem, Netherlands.
What kind of music is featured at Complexity Fest?+
The festival showcases progressive metal, heavy metal, and experimental music.
How do I get tickets for Complexity Fest?+
Tickets on Mood.