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G♭7(add13)/F♭ is the G♭ dominant 7th add 13 / F♭ (3rd inversion) guitar chord with F♭ in the bass. It uses the notes G♭, B♭, D♭, F♭, and E♭ and the interval formula 1-3-5-♭7-13.
The G♭ dominant 7th add 13 dominant 7th add 13 chord extends the dominant 7th with an added 13th E♭, creating a rich, layered harmony. The colorful combination of the minor seventh F♭ and 13th E♭ enhances blues and jazz progressions with a soulful, sophisticated feel. With F♭ in the bass, this voicing functions as the 3rd inversion of G♭ dominant 7th add 13.
Also written as G♭7(add13), G♭7add13/F♭, and G♭dom7add13/F♭.
These are quick-start shapes for players who want the answer first and the deeper theory second.
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Each note below shows how the chord is built from its root. This is the theory layer underneath the fretboard shapes.
The root anchors the chord and defines its tonal center.
This note defines the chord's major quality and brings brightness to the sound.
The fifth reinforces stability and gives the chord its strong harmonic frame.
The minor seventh adds bluesy or jazzy tension that wants to move onward.
The thirteenth adds richness and a polished extended-chord color.
Every shape is shown with its diagram and exact fingering instructions.
G♭7(add13)/F♭ uses the notes G♭, B♭, D♭, F♭, and E♭. Its interval formula is 1-3-5-♭7-13.
G♭7(add13)/F♭ is also written as G♭7(add13), G♭7add13/F♭, and G♭dom7add13/F♭.
Place the 1st finger on the 1st fret of the 4th string and 5th string in barre position. Place the 2nd finger on the 2nd fret of the 2nd string. Place the 3rd finger on the 2nd fret of the 1st string. Place the 4th finger on the 3rd fret of the 3rd string. Let the sixth string ring open. Strum from the 6th string down.
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