Improvising and Variations for Fingerstyle Blues GuitarMany early blues songs from players such as Robert Johnson, Big Bill Broonzy, Blind Blake and others were played using the basic "Cowboy" chords (chords played between the first three frets) that most beginning students have learned. Combining those chords with fingerstyle methods such as Travis picking (alternating bass) or dead thumb (monotonic bass) can be a joy in and of itself. But what if the student could take his her knowledge of old blues