What happens when math jazz wears its heart on its sleeve? The drummer’s fivesome looks for answers to that question whenever they expand on the prog-prov tunes that put their agitation to such valuable effect. Accordion, vibes, and reeds make for a novel front line, and the leader’s expertise in pulse secures a singular rhythmic persona. Expressionism isn’t the only way to experiment

Fri., March 20, 9 & 10:30 p.m., 2009