One of the most influential blues acts of their time, the Paul Butterfield Blues Band introduced a gritty and authentic brand of electric blues to the white rock audience, and evolved into a group that could incorporate jazz, world music, R&B, and psychedelia into their performances while staying true to their roots. The Butterfield Blues Band featured three musicians who would put a srtong, highly individual stamp on the music -- harmonica player Paul Butterfield and guitarists Mike Bloomfield and Elvin Bishop -- and the tough but fluid sound they conjured on 1965's The Paul ...