A sharp suspended fourth flat ninth piano chord - A#b9sus

The A sharp suspended fourth flat ninth chord is a 5-note chord consisting of the notes A#, D#, E#, G# and B.
You can see these notes highlighted in the interactive piano chart below.
The chord itself is often abbreviated as A#b9sus.

Interactive piano diagram for the A sharp suspended fourth flat ninth chord

Piano keyboard displaying the A sharp suspended fourth flat ninth chord with the notes A#BbE#FCbBD#EbG#Ab

Reduced chords

Chords that are a subset of A#b9sus. These contain less notes but all of them are included in A#b9sus.

Scales with A#b9sus

Below you find all scales that include A#b9sus:

  • dorian b2
  • phrygian
  • phrygian dominant
  • spanish heptatonic
  • bebop locrian
  • chromatic

A sharp 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 A#b9sus chord. Feel free to save or share the image as needed.

Piano chord chart for the A sharp suspended fourth flat ninth chord (A#b9sus). The notes A#, D#, E#, G# and B are highlighted.