and Johnny Cash recorded "The Legend of John Henry's Hammer." On their new duo album, What Did the Blackbird Say to the Crow, Rhiannon Giddens and Justin Robinson cover "John Henry" as well. But ...

and Johnny Cash recorded “The Legend of John Henry’s Hammer.” On their new duo album, What Did the Blackbird Say to the Crow, Rhiannon Giddens and Justin Robinson cover “John Henry” as well.