THE MEDICINE BALL CARAVAN (11am-noon Central Standard on 88.7FM locally orwww.krvs.org) warms up your Thursday with the latest releases by N'awlins Johnnys, David Crosby and Fights! Also: some Dr. Dog, Pete Townshend, The Beach Boys, King Crimson, Big Brother & the Holding Co., Jethro Tull, Donovan and Frank Zappa / Mothers.