Claim: John Hartford can play the fiddle as an instrument.
Evidence: John Cowan Hartford -LRB- December 30 , 1937 -- June 4 , 2001 -RRB- was an American folk , country and bluegrass composer and musician known for his mastery of the fiddle and banjo , as well as for his witty lyrics , unique vocal style , and extensive knowledge of Mississippi River lore.