Emerging in a haze of demented riff science and booze-addled abandon, London-based tinnitus machine Hey Colossus have carved out a notable niche for themselves in the British underground's murkier quarters. They've dished out a formidable array of wax over the last decade, specializing in a primordial barrage of abject noise from overheated amp stacks. Yet for all the grit and gnarl of their output thus far, it's seemingly only been a warm-up for their latest opus, which sees their monstrous ass.