Stand by. Monday's MEDICINE BALL CARAVAN on KRVS (11am-noon Central Standard on 88.7FM locally or at krvs.org) is on the air with the latest by Robyn Hitchcock, Bela Fleck & Abigail Washburn, Zachary Richard, Sweet Cecilia, JD McPherson and The Parson Red Heads. Also: some Brother Dege, Rebekah Del Rio, Martin Harley, Black Sabbath, Paul McCartney and The Rolling Stones.