Records ready for Thursday's MEDICINE BALL CARAVAN (11am-noon Central Standard on KRVS Public Media 88.7FM locally or www.krvs.org) include the newest releases by Calexico, Blitzen Trapper, Widespread Panic and Atlas Genius. Also: some Kind Cousin, Supergrass and classic spins by Thomas Edisun's Electric Light Bulb Band, The Misunderstood, T. Rex and Steppenwolf.