Tuesday's MEDICINE BALL CARAVAN on KRVS (11am-noon Central Standard) airs the most recent efforts from Bela Fleck & Abigail Washburn, Chris Hillman, JD McPherson and Sarcotics. Also: some Durwood, Caleb Elliott, Buffalo Springfield and Procol Harum. -Plus- holiday sounds delivered by Darlene Love, Portugal the Man, Ramsey Lewis Trio, Vince Guaraldi Trio and Los Straitjackets.