As another day of Reading Festival dawns, the girls in bikinis have switched to tracksuits for comfort and the need for coffee becomes more urgent. Fortunately, a day of hardcore awaits with enough heat to blister paint, let alone merely drive off autumnal chills. Words: Kate Allvey. Images: Abbi Draper-Scott All sets are from Saturday unless otherwise stated Hot Milk (Sunday) For several slow minutes on Sunday, Hot Milk’s performance hung in the balance. They storm onstage… and no sound is heard. Sound engineers run frantically, officials storm across the stage, and bassist Harry Deller motions to the crowd to wait. Incredibly, we stay as the screens tactfully conceal the chaos backstage. “Let’s try that again,” grins vocalist Han Mee as she bounds back onstage, delivering us ‘Party...