The most influential and formally innovative harmonica player in post-war blues, Little Walter radically changed the way most artists approached the blues harp. He wasn't the first to amplify his instrument, but the way he used a microphone and amp along with it dramatically changed the sound and impact of the harp, giving it force along with volume, and practically every electric blues act learned from his work -- what Jimi Hendrix did for electric guitar, Little Walter did for the blues harp. For all his talent and importance, Little Walter never released an album as a bandl...