No blues duo was more prolific than rowdy harmonica ace Sonny Terry and rich-voiced guitar master Brownie McGhee. They formally joined forces at the dawn of the 940s and made music in sweet tandem for four amazing decades, though their demographics shifted dramatically midway through as they built an immense recorded legacy. By the time they parted ways amidst a fair amount of acrimony, their legendary status was eternally assured. 20 songs including previously unreleased material.