It’s probably supposed to be tongue in cheek, but Kele’s eventual pre-drop cry of “Get ratchet!” is dorky and dumb beyond reproach, as is the earlier tough-guy quip of “Tell your bitch to get off my shit”. Garish, trending in 2012 rap lyricisms aside, Ratchet refines Bloc Party’s self-realised evolution of guitar-dance with gradual pitch-shifting, pulsing loops and tidy bass work.