A suspended fourth flat ninth piano chord - Ab9sus

The A suspended fourth flat ninth chord is a 5-note chord consisting of the notes A, D, E, G and Bb.
You can see these notes highlighted in the interactive piano chart below.
The chord itself is often abbreviated as Ab9sus.

Interactive piano diagram for the A suspended fourth flat ninth chord

Piano keyboard displaying the A suspended fourth flat ninth chord with the notes ADFbEGA#Bb

Extended Chords

Chords that are a superset of Ab9sus. The chords include more notes but always A, D, E, G and Bb.

Reduced chords

Chords that are a subset of Ab9sus. These contain less notes but all of them are included in Ab9sus.

Scales with Ab9sus

Below you find all scales that include Ab9sus:

  • piongio
  • mixolydian b6
  • aeolian
  • dorian
  • mixolydian
  • bebop
  • bebop minor
  • minor bebop
  • composite blues
  • chromatic

A suspended fourth flat ninth piano chord chart image

In case you prefer a non-interactive variant of the chord chart, we've embedded a PNG image below that shows the notes for the the Ab9sus chord. Feel free to save or share the image as needed.

Piano chord chart for the A suspended fourth flat ninth chord (Ab9sus). The notes A, D, E, G and Bb are highlighted.