Wednesday's MEDICINE BALL CARAVAN on KRVS (11am-noon Central Standard) cools your mid day with the sounds of Brass Bed, The New Pornographers, Kelli Jones & Joel Savoy, The Witch, The Preachers, Blaudzen, Rasputina, The Raveonettes, Robyn Hitchcock, Shrugs, The Botanist and Syd Barrett. Also: seasonal sounds from The Beatles, Flaming Lips and TriBeCaStan.