In this July 24, 1963 file photo, Doc Watson, center, performs with the Watson Family on the opening night of the Newport Folk Festival in Newport, R.I. Doc Watson, the Grammy-award winning folk musician whose lightning-fast style of flatpicking influenced guitarists around the world for more than a half-century, died Tuesday, May 29, 2012 at a hospital in Winston-Salem, according to a hospital spokeswoman and his management company. He was 89. (AP File Photo) . — AP