A sharp minor ninth piano chord - A#m9

The A sharp minor ninth chord is a 5-note chord consisting of the notes A#, C#, E#, G# and B#.
You can see these notes highlighted in the interactive piano chart below.
The chord itself is often abbreviated as A#m9.

Interactive piano diagram for the A sharp minor ninth chord

Piano keyboard displaying the A sharp minor ninth chord with the notes A#BbE#FC#DbG#AbB#C

Extended Chords

Chords that are a superset of A#m9. The chords include more notes but always A#, C#, E#, G# and B#.

Reduced chords

Chords that are a subset of A#m9. These contain less notes but all of them are included in A#m9.

Scales with A#m9

Below you find all scales that include A#m9:

  • minor
  • dorian
  • dorian #4
  • bebop minor
  • minor bebop
  • composite blues
  • messiaen's mode #3
  • chromatic

A sharp minor 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#m9 chord. Feel free to save or share the image as needed.

Piano chord chart for the A sharp minor ninth chord (A#m9). The notes A#, C#, E#, G# and B# are highlighted.