Singer, songwriter, and guitarist Keller Williams is literally a one-man jam band. His fascinating live shows feature him solo on-stage with a Gibson Echoplex Digital Pro looping unit, and he creates and builds his backing loops in the moment, simultaneously improvising on his custom-made ten-string guitar -- and thanks to his equally quirky, upbeat, and semi-surreal songs (which he frequently weaves into extended, half-improvised medleys) and his warm, friendly tenor singing voice, Williams is an utterly unique performer whose musical eccentricities don't keep him from being ...