Wednesday's MEDICNE BALL CARAVAN airs tunes by Scott H. Biram, Pokey Lafarge, Reeb Williams with Caleb Klauder, Eric Lindell, Anders Osborne, Lane Mack McDonald, Michael Juan Nunez, The Record Company, North Mississippi All Stars, Robin Trower, Los Lobos, Creedence Clearwater Revival and Jimi Hendrix.