Chicago-based electronic music producer John “JmaC” McCarten is the multi-dimensional artist behind Manic Focus and its fusion of soulful blues with heavy-hitting bass. Over the last six years, JmaC has released five full-length albums and has created an impressive portfolio of official remixes for artists such as GRiZ, The Flooizes, Lettuce and Pretty Lights. Doors 9:30pm, tickets $15, bellyupaspen.com
