Monday's MEDICINE BALL CARAVAN (11am-noon Central Standard on 88.7FM locally or www.krvs.org) transmits new releases by Lee Renaldo and the Dust, The Tripping Souls, Sarah Jarosz, Fights and Anoushka Shankar. Also: some Caleb Elliott, The Step Kids, The Stranglers, Emerson, Lake & Palmer and a couple of tunes by The Beatles.