Joseph Henry "T Bone" Burnett III (born January 14, 1948) is an American record producer, guitarist, singer, and songwriter. He was a guitarist in Bob Dylan's band during the 1970s. Burnett has won several Grammy Awards for his work on film soundtracks, namely O Brother, Where Art Thou? (2000), Cold Mountain (2004), Walk the Line (2005), and Crazy Heart (2010). He won another Grammy for producing the album Raising Sand (2007), in which he united the contemporary bluegrass of Alison Krauss with the blues rock of Led Zeppelin lead vocalist Robert Plant.