Question: Who is the American musician and singer who performed a version of the traditional English folk song "The Cuckoo" and began his performance career at Southern Appalachian medicine shows?
Sentence (from "Clarence Ashley"): Clarence "Tom" Ashley (September 29, 1895 – June 2, 1967) was an American musician and singer, who played the clawhammer banjo and the guitar.
Relevant evidence: No