Thursday's MEDICINE BALL CARAVAN (11am-noon Central Standard onKRVSPublic Media 88.7FM locally or www.krvs.org) features the latest sounds from Bobby Long, Son Little, John Ginty, Fantastic Negrito andConesof Uncertainty. Also: some Syd Barrett, The Black Keys, T. Rex, Kind Cousin, Allah-las, The Byrds, Jimi Hendrix, Mountain and Sugarloaf.