The May 15 edition of Greasy Tracks will focus on the career of of Steve Cropper, including an interview with the legendary guitarist as well as tracks from his just-released Fire It Up (Provogue Records). The program airs 2:30-5:30 p.m ET. Click here to listen live. Known as one of the architects of the Stax Sound, Cropper was part of such legendary bands as the Mar-Keys, Booker T and the MGs and the Blues Brothers. His writing and production credits are too numerous to list, but suffice to say, he had a hand in some of the most famous songs ever recorded.