75 years ago, The Stanley Brothers established ‘I’m A Man of Constant Sorrow’ as a bluegrass standard

The Stanley Brothers cemented 'I'm A Man of Constant Sorrow' in American folk bluegrass history, cementing it as a major standard.
Reuters

Ralph Stanley, U.S. bluegrass music pioneer, dies at 89

(Reuters) - U.S. bluegrass pioneer Ralph Stanley, who with his brother Carter helped popularize the Appalachian music and gained late career fame through the movie "O Brother, Where Art Thou?," died ...