Tuesday's MEDICINE BALL CARAVAN (11am-noon Central Standard onKRVSPublic Media 88.7FM locally or www.krvs.org anywhere) blasts the newest by Jim White, Father John Misty, St. Vincent and Ariel Pink. Plus: local alternative sounds of imagineIAM, Cones of Uncertainty and Kind Cousin next to classics by The Beatles, Grateful Dead, Sparks, Yes and The Alan Parsons Project.