Tuesday's MEDICINE BALL CARAVAN (11am-noon Central Standard onKRVSPublic Media 88.7FM locally or www.krvs.org) gets us to midday with the sounds of Chuck Jackson, Bob Dylan, Steve Earle, Marcella + Her Lovers, The Band, Zachary Richard w/ Sonny Landreth, Regina Carter, The Beatles, Dayna Kurtz and Butterfield Blues Band.