Doc Watson: Guitar legend Doc Watson remains in critical condition

The Grammy-winning singer and guitarist underwent colon surgery this past week.By David Ariosto, CNN (CNN) -- Folk singer Arthel Lane "Doc" Watson, a Grammy winner known for his flatpicking and fingerstyle technique on the guitar, is in critical condition at a hospital in Winston-Salem, North Carolina, his representative saidBy Ed Payne, CNN (CNN) -- Bluegrass music legend Doc Watson remains in critical condition at a hospital in a North Carolina following surgery last week, a

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