Music for a rainy day begins Wednesday's MEDICINE BALL CARAVAN on KRVS (11am-noon Central Standard) with some Velvet Underground, The Lovin' Spoonful, David Crosby and The James Gang. Also: new music by Rawb Middleton as well as great tracks from The Chymes, The Lamp of Childhood, The Amazing Nuns, The Claypool Lennon Delirium, T. Rex, Procol Harum, Brass Bed, Gomez and Pink Floyd.