Two white brothers from Florida with the last name White, Tonstartssbandht can sound as brilliant and as baffling as their compound name. Ostensibly a psych-rock group, they squirm stylistically from the Grateful Dead’s pastoral/astral extrapolations to Faust’s form-busting abstractions to Pärson Sound’s stark trance rock. Random dips into their canon reveal a group conversant with experimental weirdness and beautiful melodies. Tonstartssbandht exist in their own world, immune to modern music-biz trends, eccentric to their core. (Chop Suey, 1325 E Madison St, chopsuey.com, 8 pm, $8 adv/$10 DOS, 21+)

Dave Segal is a journalist and DJ living in Seattle. He has been writing about music since 1983. His stuff has appeared in Gale Research’s literary criticism series of reference books, Creem (when...