Thursday's MEDICINE BALL CARAVAN (11am-noon Central Standard on KRVS 88.7FM locally or www.krvs.org) blasts the latest releases by The Rides, Edward Sharpe and the Magnetic Zeros, Iggy Pop, Brass Bed and Nicest of the Damned. Also: classic Cream, Patti Smith, The Squires, Grains of Sand, ? and the Mysterians,, Sir Douglas Quintet and more.