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As with everything else in Jeff’s Jazz, this C6
chord chart is based strictly on traditional jazz and assumes that you have an
understanding of jazz harmony. The chart is designed to be uncluttered and easy to use, while at the same time
providing the exact information needed to find the chords that you would expect
to play for traditional jazz and pop standards.
Five qualities of 7th chord
-
The chart is based on the five fundamental
qualities of 7th chords –
major 7th (Cmaj7), dominant 7th
(C7), minor 7th (Cm7), minor 7th flat 5 (a.k.a.
half-diminished – Cm7b5)) and diminished 7th (Cdim7).
Fret
- The position where the chord can be found.
Every position in the chart has a minimum of the 3rd and 7th
tone of the chord. In the
large majority of cases, the root is also there, usually on string 8,
9 or 10.
Pedals
-
The floor pedals and knee levers required to play
the chord. Floor pedals are numbered
in the conventional 4, 5, 6, 7, 8 system. The
knee levers are indicated by the pull – either C->B for the 3rd
string lower, or A->Bb for the 4th string raise.
b9, 9th, #9, 11th, #11, b13, 13th
- Extensions of the 7th chord. If
the extension is available at the fret, a “yes” is shown.
If the chord extension requires a pedal or knee lever to be
played (or released), then the pedal or knee lever is shown instead.
A blank indicates that the extension is NOT available.
You have to determine which string to use.
When looking for b5, #5, and 6th chords, look for #11, b13, and
13th extensions respectively, and select the required notes at the
fret.
Fret Diagram
- Click on a chord and a 10-string fret diagram outlining the
notes is shown on the right side of the chart. Notes are shown
as intervals from the root, where "R" is the root (if
available at the fret). The chart shows you the pedals and the
fret diagram shows the notes. When two or more notes are
available on the same string ( a forward "/" between the
notes), check the chart to see which pedal controls which notes.
SPECIAL NOTE!
-
Enharmonic chords – Rather than unnecessarily clutter
the chord chart, various non-7th chords with identical spellings to 7th chords
but different roots are not included. It
is up to the person using the chart to use their knowledge of substitutions in
order to determine where they would find these chords. A partial list of these would include the
following:
Cm7 = Eb6
Cm7b5 = Ebm6
C9#11 = F#7alt = Gmi(ma7) = Bbmaj7(#5)
C9 = Gm6
etc.
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