Bassists, composers and longtime friends Devon Gates and Liany Mateo meet as co-bandleaders for the first time at this special presentation. Sets at 8 and 9:30, Soundoff Sessions until late. Creatives, bring your axe — whatever it is — and your energy.

Part of the JGI's Black Music Month series. (On Tuesday, June 23, Gates and Mateo are in conversation with Dr. Farah Jasmine Griffin at 651 Arts.