This week's worth of MEDICINE BALL CARAVAN broad (& web)casts (11am-noon Central Standard on 88.7FM or www.krvs.org) begins with music by Wilco, Neko Case, Nilsson, Yes, Tom Waits and Ahmad Jamal. Also: the latest by Carbon Poppies, Joey Ramone and Little Hurricane and nice instrumental tracks by both Nick Lowe and Sonny Landreth.