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CASTLEFEST 2026 is taking over The Castle, Luton for an unforgettable weekend of raw, high-octane live music on September 25th and 26th! This massive two-day rock and alternative showcase kicks off Friday night with anthemic headliners INME, supported by the heavy-hitting sounds of LO RAYS, THE INJESTER, and ATLAS & I. The energy hits overdrive on Saturday with a huge midday-to-midnight marathon topped by the ferocious FALSE REALITY, alongside a packed undercard featuring ROMAN CANDLE, THISTLE., HRTLSS, GUILLOTINE, SCARPER, 2ND LOCATION, VICTIMS OF LIFE, NIGHT MOVERS, and even more acts still to be announced! Bringing together massive riffs, dark theatricality, and a non-stop parade of the underground’s finest talent, this is the ultimate alternative weekend you absolutely cannot afford to miss. Grab your tickets on DICE and get ready to sweat in the crowd!