Having spent much of the ’90s steeped in drum’n’bass as Boymerang, Graham Sutton became disillusioned when the genre got stuck in a cul-de-sac, and has now resuscitated Bark Psychosis, his post-rock group. Codename: Dustsucker will be pleasingly familiar to BP fans, but startling also. The trademark cocoon of limpid, rippling guitar figures and jazzy adornment is buffeted by sharp leftward turns, such as the AR Kane-style catastrophic collapse of guitars on opener “From What Is Said To When It’s Read” and the extended squiggle of acid on “Miss Abuse”.