Tuesday's MEDICINE BALL CARAVAN (11am-noon Central Standard onKRVSPublic Media 88.7FM locally or www.krvs.org) takes off with the newest releases by Courtney Barnett and Paul Weller. Also: someBuzzcocks, The Velvet Underground, The Troggs and Sonic Youth, before heading to outer space with Yes, David Bowie, Leonard Nimoy and Attilio Mineo.