Medeski Martin & Wood, Leftover Salmon and The Lee Boys are among the acts scheduled to appear at Baltimores Traffic Jam next month. The event will take place in and around the Sonar from September 5-7, also featuring performances by Bobby Lee Rodgers Band, Great American Taxi, Papa Mali, Karl Denson’s Tiny Universe, Tea Leaf Green, Dumpstaphunk and The Traveling McCoury’s. In addition, Bobby Lee Rodgers will also play a solo acoustic set.