Annual Czech metal open air with unique festival site located at 18th century military fortress! BRUTAL ASSAULT - since 1996 annual metal open air August 5–8, 2026 | fortress Josefov 4 days – 5 stages – MORE THAN 120 BANDS – horror cinema – art exhibitions – Warm-up Tickets: https://brutalassault.cz/en/tickets Bands: https://brutalassault.cz/en/line-up