A flat suspended fourth piano chord (Absus4)

Also written G#sus4 (G sharp suspended fourth)

In a sus4 chord, the third is replaced by the fourth. Its tension naturally resolves to the major chord: a very common move in pop and rock.

On the keyboard

Chord notes

NoteInterval
A♭ (A flat)root
D♭ (D flat)perfect fourth
E♭ (E flat)perfect fifth

Formula: 1 – 4 – 5 · A♭ – D♭ – E♭

A progression with this chord

  1. A♭sus4Isus4
  2. A♭I

The suspended chord resolves to the major chord on the same root: you hear it in countless pop and rock intros.

Other A♭ chords

The same chord on other roots