G#7 / Ab7 Guitar Chord

G#7 (also written Ab7) is a dominant seventh chord. It adds a minor seventh to a major chord, which creates tension that wants to move on to the next chord. It is everywhere in blues. Its notes are Ab, C, Eb and Gb. Below are 2 ways to play it, each with a chord diagram, tab and finger numbers.

Notes in G#7 / Ab7

G#7 and Ab7 are two names for the same chord. The notes below are spelled as Ab7.

NoteDegreeInterval
AbRRoot
C3Major 3rd
Eb5Perfect 5th
Gbb7Minor 7th

Formula: 1–3–5–b7

G#7 / Ab7 chord shapes

Finger numbers: 1 index, 2 middle, 3 ring, 4 pinky. In the tab, x means don't play that string and 0 means play it open. In the diagrams the top line is the 1st (thinnest) string and the nut is on the left.

  • E-shape 4fr

    Easiest
    4fr131211
    Tab (6th → 1st string)
    4 6 4 5 4 4
    Fingers
    1 3 1 2 1 1
  • A-shape 11fr

    11fr✕13141
    Tab (6th → 1st string)
    x 11 13 11 13 11
    Fingers
    – 1 3 1 4 1

How to play G#7 / Ab7 (easiest shape)

Shape: E-shape 4fr, tab 4 6 4 5 4 4 (6th to 1st string).

4fr131211
  1. 1Lay your index finger (1) flat across the 6th to 1st strings at the 4th fret (a barre).
  2. 2Put your middle finger (2) on the 3rd string at the 5th fret.
  3. 3Put your ring finger (3) on the 5th string at the 6th fret.
  4. 4Strum down from the 6th string to the 1st string.

G#7 / Ab7: common questions

What notes are in the G#7 / Ab7 chord?
G#7 and Ab7 are two names for the same chord. Spelled as Ab7, it has 4 notes: Ab, C, Eb and Gb. Counted from the root, that is 1–3–5–b7.
Is there an easier way to play G#7 / Ab7?
The easiest shape on this page is "E-shape 4fr" (4 6 4 5 4 4). Every shape on this page is a barre chord. Barre shapes are movable: keep the same hand shape and slide it along the neck to play this type of chord from other roots.

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