Plug into Wednesday's MEDICINE BALL CARAVAN on KRVS (11am-noon CST on 88.7FM locally or krvs.org) for new and recent tracks from LVVRS, Corey Ledet Zydeco, Grant Dermody and The Mystix. Also: Leyla McCalla, Dr. John, The Ike-ettes, Ida Mae, Loggins & Messina, The Who, Boma Banga and New Age Steppers.