Grammy-winning folk musician Doc Watson remains in critical condition at a North Carolina hospital after undergoing colon surgery this week.
A spokeswoman at Baptist Hospital in Winston-Salem says Watson remained in critical condition Saturday.
The 89-year-old Watson's daughter, Nancy, says the musician fell Monday.
The blind singer and guitarist has won several Grammys, including a lifetime achievement award. He also received the National Medal of the Arts.
He's known as a master of the flatpicking style of guitar playing, He also started Merlefest, an annual gathering of musicians in Wilkesboro named after his son, who died in a tractor accident in 1985.