Vibraphonist, drummer, and composer Jason Adasiewicz is an essential player in Chicago’s avant-garde and improvised jazz scenes. He has played alongside Mike Reed, Rob Mazurek, Josh Berman, Nicole Mitchell, James Falzone, Ingebrigt Häker Flaten, and Ken Vandermark, and has founded groups including Rolldown, the Jason Adasiewicz Duo, and (with Nate McBride and Mike Reed) the trio Sun Rooms.