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Doc Watson remains in critical condition

NEW ORLEANS - MAY 01: Recording Artist Doc Watson performs at the 2009 New Orleans Jazz & Heritage Festival at the Fair Grounds Race Course on May 1, 2009 in New Orleans. (Photo by Rick Diamond/Getty Images) *** Local Caption *** Doc Watson
Rick Diamond
Doc Watson performs at the 2009 New Orleans Jazz & Heritage Festival at the Fair Grounds Race Course on May 1, 2009, in New Orleans.
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(CBS/AP) Grammy-winning folk musician Doc Watson remains in critical condition at a North Carolina hospital after undergoing colon surgery last week.

Folklore Productions, the company that represents Watson, posted the update on Monday: "No real change today. Doc remains in critical condition at Wake Forest Baptist Medical Center in Winston-Salem."

Read more: Folk musician Doc Watson in critical condition at N.C. hospital

On Sunday, Folklore revealed, "The Doc had a difficult day, but seems to have pulled through OK. His condition is now pretty much where it was when the day began. He remains in critical condition."

The 89-year-old Watson's daughter, Nancy, said that the musician also fell recently.

The blind singer/guitarist has won several Grammys, including a lifetime achievement award. He also received the National Medal of the Arts.

Watson is 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.