Over the past seven years, I've had the outlandishly talented country blues singer and guitarist Charley Patton looking over me. (Don't know Charley Patton? Hear him here and then buy what may be the greatest CD box set ever.) For many years, a photo of Patton was as hard to come by as a pic of Robert Johnson, and -- as with Johnson -- the legitimacy of the image has been challenged. For our purposes today, let's assume that this is Patton.
I draw your attention to his left hand, how it is posed over the frets like crab legs. Patton's style has always felt a bit eccentric compared to ot...