The Dave Matthews Band Caravan kicks off Friday on Chicago’s Southeast Side. WBEZ’s Jim DeRogatis weighs in on the significance of the music festival’s location and what it could mean for the future of festivals in Chicago. “Man about town” D.C. Crenshaw shares some picks for the weekend in the latest installment of The Weekly Guide. And Eight Forty-Eight's Joe DeCeault speaks with members of Megitza Quartet. The band blends traditional Polish and Eastern European folk music with American blues, jazz and rock.