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Blind Blake | Biography & History | AllMusic
https://www.allmusic.com/artist/blind-blake-mn [login to see] /biography

Blind Blake is a figure of enormous importance in American music. Not only was he one of the greatest blues guitarists of all-time, Blake seems to have been the primary developer of "finger-style" ragtime on the guitar, the six-string equivalent to playing ragtime on the piano. Blake mastered this form so completely that few, if any, guitarists who have learned to play in this style