A♭7sus4 / G♯7sus4 Chord on Guitar

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A♭7sus4 (also written G♯7sus4) is a dominant seventh suspended fourth chord made of 4 notes: A♭, D♭, E♭, G♭. It sounds a dominant chord that hangs before it settles, and you hear it in funk, gospel and the moment before a 7th chord. It is the V chord of D♭ major and turns up in 2 other keys.

The library above opens on A♭7sus4 with 14 shapes up and down the neck. Tap a shape to hear it, or play it one string at a time.

Notes in A♭7sus4

NoteDegreeInterval from A♭Semitones
A♭1root0
D♭4perfect fourth5
E♭5perfect fifth7
G♭♭7minor seventh10

Formula: 1 – 4 – 5 – ♭7. On guitar the 5th is often left out of the bigger shapes without changing the chord. With the other spelling, G♯7sus4 is G♯, C♯, D♯, F♯: the same sounds under different names.

How to play A♭7sus4

4fr12
E-shape barre at fret 4Easy444644
123
Fret 1Beginnerxxx122
123
Fret 4Beginner444xxx
9fr22213
Fret 9Easyx(11)(11)(11)9(11)
6fr123
Fret 6Beginnerxx667x
11fr123
Fret 11Beginnerx(11)(11)(11)xx

E-shape barre at fret 4 (root on the 6th string), step by step

  1. Lay your 1st finger (index) flat across the 6th string to the 1st string at the 4th fret.
  2. 2nd finger (middle): 3rd string, 6th fret (D♭, the fourth).
  3. Strum from the 6th string across all six strings.

Tips

The e-shape barre at fret 4 shape is the one to learn first. Once it is easy, try the shape at the 9th fret (x(11)(11)(11)9(11)): the same chord, higher and brighter, handy when the chords before and after it sit up the neck.

Keys and progressions with A♭7sus4

A♭7sus4 belongs to 3 keys: V in D♭ major, V7 in C♯ minor, VII in B♭ minor. In D♭ major, try I–V–vi–IV: D♭ – A♭7sus4 – B♭m – G♭.

Common questions

What notes are in A♭7sus4?

A♭, D♭, E♭, G♭: the root, fourth, fifth, minor seventh.

What is the easiest way to play A♭7sus4?

E-shape barre at fret 4: 444644 (low string first), rated Easy.

What is the difference between A♭7sus4 and A♭7?

A♭7sus4 has D♭ where A♭7 has C. A♭7sus4 sounds a dominant chord that hangs before it settles; A♭7 sounds restless; it wants to move on, usually to the chord a fifth below.

Is A♭7sus4 a hard chord?

No. The easiest shape is rated Easy and needs 2 fingers.

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