Bukka White at the Smithsonian Folk Festival July 1972Bukka White - Smithsonian Folk festival July 1972, Washington DCDrummer at Smithsonian Folk Festival - 7/1972Houston Stackhouse - Smithsonian Folk Festival July 1972Sleepy John Estes, Hammie Nixon & Yank Rachell - Smithsonian Folk FestivalBig Boy - Smithsonian Folk festival July 1972, Washington DC