Wednesday's MEDICINE BALL CARAVAN on KRVS (11am-noon cst on 88.7FM local or krvs.org everywhere) airs music by Paul Thorn, The Legendary Shack Shakers, Morning 40 Federation and Billy F. Gibbons. Also: Wendy Colonna, Valerie June, David Bowie, Crime, Wild Feathers, Seasick Steve, Badfinger, Zuider Zee and more.