Wednesday's MEDICINE BALL CARAVAN on KRVS (11am-noon Central Standard on 88.7FM locally or krvs.org) hits the newest releases from Shemekia Copeland (featuring birthday boy, John Prine), Billy F. Gibbons, Yvette Landry & the Jukes, Doyle Bramhall II and The Record Company. Also: live Tedeschi Trucks Band, Los Lobos, Allman Brothers Band, King Khan & the Shrines and Traffic.