Wednesday's MEDICINE BALL CARAVAN on KRVS is on the air (11am-noon Central Standard on 88.7FM locally or anywhere at www.krvs.org) with the newest by Nikki Lane along with recent efforts from the likes of Sarah Jarosz, Doyle Bramhall II, Michael Juan Nunez and The Revelers. Also: some BonSoir Catin, Dock Boggs, JJ Cale, Jimmie Rodgers, Buffalo Springfield, The Guess Who, Zep, Stephen Stills, Steppenwolf and Jefferson Airplane.