American Epic, Episode 4, The American Epic Sessions
directed by Bernard MacMahon, fl. 2017; produced by Bernard MacMahon, fl. 2017, Allison McGourty, 1964-, Duke Erikson, 1951-, Bill Holderman, fl. 2013 and Adam Block, fl. 2017, British Broadcasting Corporation, Wildwood Enterprises and Thirteen Productions, in American Epic, Episode 4 (Arlington, VA: Public Broadcasting Service, 2017), 1 hour 57 mins
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