G#7#9 / Ab7#9 Guitar Chord
G#7#9 (also written Ab7#9) is a dominant seventh sharp nine (7#9) chord. It is a dominant seventh with a sharp ninth on top. The sharp ninth rubs against the major third for the gritty sound heard in rock and funk. Its notes are Ab, C, Eb, Gb and B. Below is one way to play it, with a chord diagram, tab and finger numbers.
Notes in G#7#9 / Ab7#9
G#7#9 and Ab7#9 are two names for the same chord. The notes below are spelled as Ab7#9.
| Note | Degree | Interval |
|---|---|---|
| Ab | R | Root |
| C | 3 | Major 3rd |
| Eb | 5 | Perfect 5th |
| Gb | b7 | Minor 7th |
| B | #9 | Augmented 9th |
Formula: 1–3–5–b7–#9
G#7#9 / Ab7#9 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- Tab (6th → 1st string)
- 4 6 4 5 4 7
- Fingers
- 1 3 1 2 1 4
How to play G#7#9 / Ab7#9 (easiest shape)
Shape: E-shape 4fr, tab 4 6 4 5 4 7 (6th to 1st string).
- 1Lay your index finger (1) flat across the 6th to 2nd strings at the 4th fret (a barre).
- 2Put your middle finger (2) on the 3rd string at the 5th fret.
- 3Put your ring finger (3) on the 5th string at the 6th fret.
- 4Put your pinky (4) on the 1st string at the 7th fret.
- 5Strum down from the 6th string to the 1st string.
G#7#9 / Ab7#9: common questions
- What notes are in the G#7#9 / Ab7#9 chord?
- G#7#9 and Ab7#9 are two names for the same chord. Spelled as Ab7#9, it has 5 notes: Ab, C, Eb, Gb and B. Counted from the root, that is 1–3–5–b7–#9.
- Is there an easier way to play G#7#9 / Ab7#9?
- The easiest shape on this page is "E-shape 4fr" (4 6 4 5 4 7). 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.
Related chords
Other G#/Ab chords
Same chord type, other roots
More guitar tools
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