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Guitar chords · Suspended 4th

A♭sus4 chord on guitar (Absus4)

A♭sus4 (A♭ 4th) has three notes: A♭, D♭ and E♭, the , 4 and 5.

Shapes

How to play A♭sus4

Strum a shape to hear it, or pick it one string at a time. R marks the ; the other numbers are the chord tones.

A♭sus4 has no common . Play it as the E shape at 4 or the A shape at fret 11. A keeps its fingering anywhere on the neck: slide it up or down and the , on the lowest played string, names the chord.

  • E shape · fret 4

    4frR5R45RA♭E♭A♭D♭E♭A♭
  • A shape · fret 11

    11fr×R5R45A♭E♭A♭D♭E♭
Name a shape you're holding: the chord finder

Notes and formula

What makes A♭sus4 suspended 4th

A sus4 chord replaces the 3rd with the 4th. The 4th wants to fall back to the 3rd, so a sus4 chord usually resolves to the major chord on the same .

  • 1Root: the note the chord is named after. Keep it.
  • 3Essential: makes the chord what it is. Never drop it.
  • 5Optional: drop it first when you run out of fingers.

The 4th makes A♭sus4 a 4th chord; you can leave out the 5th.

  1. A♭Rroot
  2. D♭4essential
  3. E♭5optional
EADGBE0135791215A♭A♭A♭A♭A♭A♭A♭D♭E♭D♭E♭E♭D♭E♭D♭E♭D♭E♭D♭D♭E♭
  • A♭, the root
  • Other chord tones

A♭sus4 usually resolves to A♭, as the 4th falls to the 3rd.

A♭sus4 and G♯sus4 are the same chord with two names: same , same sound. Which one you see depends on the key the song is written in.

Keys

Keys with A♭sus4

A♭sus4 belongs to ten keys: E major (IIIsus4, spelled G♯sus4), C♭ major (VIsus4), G♭ major (IIsus4), D♭ major (Vsus4), A♭ major (Isus4), C♯ minor (Vsus4, spelled G♯sus4), A♭ minor (Isus4), E♭ minor (IVsus4), B♭ minor (VIIsus4) and F minor (IIIsus4).

Numerals follow the key's own scale, so III, VI and VII in a minor key are its own major chords. A ♭ or ♯ in front marks a chord from outside the key. How Roman numerals work

Slash chords

A♭sus4 over another bass note

A keeps A♭sus4 on top and puts another note in the bass: the letter after the slash is the lowest note you play.

  • A♭sus4/E♭

    A♭sus4 with its 5th, E♭, in the bass.

Questions

A♭sus4, in short

What notes are in the A♭sus4 chord?
A♭sus4 (A♭ 4th) has three notes: A♭, D♭ and E♭, the , 4 and 5.
How do you play A♭sus4 on guitar?
A♭sus4 has no common . Play it as the E shape at 4 or the A shape at fret 11.
What key is A♭sus4 in?
A♭sus4 belongs to ten keys: E major (IIIsus4, spelled G♯sus4), C♭ major (VIsus4), G♭ major (IIsus4), D♭ major (Vsus4), A♭ major (Isus4), C♯ minor (Vsus4, spelled G♯sus4), A♭ minor (Isus4), E♭ minor (IVsus4), B♭ minor (VIIsus4) and F minor (IIIsus4).
Is A♭sus4 the same as G♯sus4?
Yes: same frets, same sound, different name. A♭sus4 is the spelling in C♭ major, G♭ major, D♭ major, A♭ major, A♭ minor, E♭ minor, B♭ minor and F minor; G♯sus4 in E major, B major, F♯ major, C♯ major, C♯ minor, G♯ minor, D♯ minor and A♯ minor.
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