John Abercrombie (1944 - ) is a contemporary jazz guitarist and jazz great with a distinctive, lyrical, and intervalic improvisational style, moving in spontaneous harmonic steps, rather than tied to patterns, or along scales, modes or arpeggios.
In 2003 his home was destroyed by fire. In addition to his personal possessions, most of his guitars and amplifiers were lost.2)
John Abercrombie - Teaches Jazz Guitar Improvisation
This video is from an instructional DVD by Abercrombie, “demonstrates melodic and motivic development, polychording, dynamics, rhythmic changes…” http://www.abstractlogix.com/xcart/product.php?productid=21251