David Mansfield (born September 13, 1956) is an American violinist, mandolin player, guitarist, pedal steel guitar player, and composer.Raised in Leonia, New Jersey, his first band was Quacky Duck and His Barnyard Friends, which also included two sons of Tony Bennett.Bob Dylan asked Mansfield to tour with him on his 1975 Rolling Thunder Revue tour; he remained in Dylan's band through their 1978 world tour.After the Revue ended in 1976, Mansfield and two other members of Dylan's band, T-Bone Burnett and Steven Soles, formed The Alpha Band.