Flip of the vocal + jaw harp Mike Seeger recording of the traditional tune
Fiddle, banjo and jaw harp flanging by Permuton
Whomps and wubs by Handle Slide
Mixdown/master by MORiLLO

Did You Ever See The Devil, Uncle Joe? (Handle Slide x Permuton flip)

A handle slide is the instant in a generic homotopy of Morse functions when a gradient trajectory connects two critical points of equal index. Its algebraic effect on the Thom-Smale complex is an elementary row/column matrix operation. handleslide@gmail.com