Wednesday's MEDICINE BALL CARAVAN on KRVS (11am-noon Central Standard on 88.7FM locally or at krvs.org) supplements your musical diet with newer and recent releases from Hollis Brown, Swear and Shake, The New Pornographers, Local Natives and yes, even Procol Harum !!! Also: great tunes by Peter Wolf, Raphael Saadiq, Brass Bed, Ariel Pink and King Crimson.