Wednesday's MEDICINE BALL CARAVAN (11am-noon Central Standard onKRVSPublic Media 88.7FM locally or www.krvs.org) airs the latest and/or upcoming releases by Son Little, The Alabama Shakes, The Tallest Man On Earth, The Viatones and Ariel Pink. Also: something by The Amazing Nuns, The Band of Heathens, Brother Dege Legg, Tame Impala, Raphael Saadiq, Thorinshield and Creedence Clearwater Revival.