The Chicago Department for Cultural Affairs is hosting a series of 11 FREE programs of live avant-garde jazz and experimental music from February through May, and this is performance number seven. It's at the Claudia Cassidy Theater of the Chicago Cultural Center (77 East Randolph Street), and it features digitally-treated drones and soundscapes from local laptop jockeys TV Pow, featuring Michael Hartman. 7 p.m. and free.