Wednesday Hump-Day edition of THE MEDICINE BALL CARAVAN (11am-noon Central Standard on 88.7FM locally or anywhere via www.krvs.org) moves and grooves you towards a big holiday weekend with new and recent offerings from Marc Broussard, David Egan, Dr. John, Anders Osborne, The Revelers and Nick Waterhouse. Also: some Bad Chad & the Good Girls, The Residents, Brother Dege Legg, The Morning Star Spiritual Singers, Sister Rosetta Tharpe, Howlin' Wolf, Alex Moore and the Preservation Hall Jazz Band.