Tuesday's MEDICINE BALL CARAVAN on KRVS (11am-noon CST on 88.7FM locally or krvs.org everywhere) airs some Simon & Garfunkel, Syd Barrett, Courtney Barnett & Kurt Vile, David Crosby, Joss Stone, Anders Osborne, Joan Osborne, The Allman Bros Band, Michael Juan Nunez, The Daiquiri Queens and more.