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How to Read Guitar Chord Diagrams
Learn how to read guitar chord diagrams quickly. Understand dots, numbers, Xs, Os, and finger positions so you can play any chord chart at sight.
A♭7(add13)/G♭ guitar shapes
Popular fretboard positions with fingering suggestions
Showing 8 of 16 playable shapes
About the chord
A♭ dominant 7th add 13 / G♭ (3rd inversion)
The A♭ dominant 7th add 13 dominant 7th add 13 chord extends the dominant 7th with an added 13th F, creating a rich, layered harmony. The colorful combination of the minor seventh G♭ and 13th F enhances blues and jazz progressions with a soulful, sophisticated feel. With G♭ in the bass, this voicing functions as the 3rd inversion of A♭ dominant 7th add 13.
Root note: A♭
Bass note: G♭
Chord tones: 5
Playable shapes: 16
Chord tones
A♭CE♭G♭F
Notes & Intervals
Each note below shows how the chord is built from its root. This is the theory layer underneath the fretboard shapes.
A♭ Unison (Root) 1
The root anchors the chord and defines its tonal center.
C Major Third 3
This note defines the chord's major quality and brings brightness to the sound.
E♭ Perfect Fifth 5
The fifth reinforces stability and gives the chord its strong harmonic frame.
G♭ Minor Seventh ♭7
The minor seventh adds bluesy or jazzy tension that wants to move onward.
F Major Thirteenth 13
The thirteenth adds richness and a polished extended-chord color.
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