Jazz Guitar
Diagram Theory:
In the colored
diagrams shown at the right, the near column shows all of the notes
within each diagram as they function relative to a single key (R).
This is how the notes are displayed in the system diagrams.
The column at
the far right indicates the function of notes as they relate to the
individual diagrams when they are seen as chords with the root in
the bass that are extended to the 13th degree in major. (I-chord,
II-chord, III-chord, IV-chord, etc.)
As the column
at the far right solves the functions of diagram notes with the root
in the base for the major tonality of "R" (like it does
for the RED diagram, as shown), similarly, solving for the roots of
any other colored diagram in the near column, with their roots on
their respective strings, would show that the same colored diagram
patterns in their same relative position on the fret board would
continue to accurately map their respective tonalities.
This allows
upper tensions as the source of chord substitution for chromatic
circles of 5ths without naming sharps & flats.
The function
numbers of the diagrams in the near right column are derived as
inversions of Mj13 chords who's roots would form an intervallicly
inverted diatonic scale. (h,w,w,w,h,w,w)
*
The
YELLOW diagrams read "3,6,2,5,R,4 & R,4,b7,b3,b6,b2"
This system is
designed to open the door to a relatively great variety of musical
ideas to the many guitarists who for whatever reason, will not
become familiar with the volumes on composition and theory and would
like to step into the jazz vein.
copyright©1999-2006
Frank Spagnolo
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