Vein-popping, UK post-hardcore that’s as adventurous as it is ferocious. Yes, this quartet of amp-blowing hell raisers (formerly known as Baby Godzilla) are not for the fainthearted. But beyond the stop-start screams of “Fastback” and the pulse-quickening sonic bombardment that is “A Great Idea Bastardised”, Instructions is still laced with surprises—witness how “I See The Old Lady Decently” packs ‘70s harmonies and intricate guitars into a bustling two minutes—that add delicacy to the decibels.