The Knife's electronic avant-pop twists and throbs with mystery and menace. Bands like HEALTH and Crystal Castles have followed similar dark paths, taking the Swedish duo's icy, abrasive effects and transforming them into eerie, synthy goth-punk. Others have drawn more from The Knife's fractured, hypnotic grooves, including Holly Herndon's heady, glitchy reveries and Arca's haunted atmospherics.