BK producer/engineer extraordinaire Carlson -- who counts Oneohtrix Point Never, St. Vincent, Ford & Lopatin, Tamaryn, Wild Nothing, and others among his insane list of credits -- drops the first single from his own excellent forthcoming LP Going South, due June 10 on Driftless. Carlson played a major role in Autre Ne Veut's 2013 classic Anxiety, and ANV returns the favor on warped, future-R&B-tinged pop jam "Purgatory", contributing his distinctive soulful vocals to the hypnotically lurching track. Listen below + cop on iTunes here: