American recording artist, record producer, guitarist, and songwriter. He was a guitarist in Bob Dylan's band during the 1970s. Burnett has received multiple Grammy awards for his work in film music, including for O Brother, Where Art Thou?, Cold Mountain, Walk the Line, and Crazy Heart; and won another Grammy for producing the studio album Raising Sand, in which he united the contemporary bluegrass of Alison Krauss with the blues rock of Robert Plant