Wednesday's MEDICINE BALL CARAVAN on KRVS (11am-noon cst on 88.7FM local or krvs.org everywhere) serves up some Corey Ledet Zydeco, C.J Chenier, Cathead Biscuit Boys, CC Adcock, KC Jones, The Malvinas and Steve Conn. Also: Nora Jones, Bob Dylan, Boma Bango, Songhoy Blues, Legendary Shack Shakers and Chas Justus & the Jury.