Historical clue formulations

• Alan ___, folklorist who discovered legends like Woody Guthrie and Pete Seeger — 2022-09-06
• Bluesman Willie — 2018-08-19
• Bluesman Willie — 2015-10-08
• Folklorist/musicologist Alan — 2009-08-08
• Bluesman Willie — 2008-02-07
• Jelly Roll Morton biographer Alan — 1997-12-21
• Folk music historian John — 1996-10-13