THANK YOU DICK! (man, I wish I knew how to do those REALLY large letters...maybe it's a good thing I don't)
Not sure if 53 is truly an old fart yet, but my musical tastes have run that way since I was 15 so I guess it doesn't matter.

Blues: Big Bill Broonzy (pre-1937), Robert Johnson
Ballads: Horton Barker and Ewan MacColl
Country: McGee Brothers, Blue Sky Boys, Carter Family, Delmore Brothers, Monroe Brothers, Stanley Brothers
Bad Cold: Smith Brothers
Songwriters: Peggy Seeger, Bob Dylan (pre-1966), Bob Coltman, John Prine.
Pickers: John Hurt, Doc Watson, Buell Kazee, Maybelle Carter, Sam McGee.

Verrrry Subjective!

Rick