A dominant sharp ninth piano chord - A7#9

The A dominant sharp 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 A7#9.

Interactive piano diagram for the A dominant sharp ninth chord

Piano keyboard displaying the A dominant sharp ninth chord with the notes AFbEGC#DbB#C

Reduced chords

Chords that are a subset of A7#9. These contain less notes but all of them are included in A7#9.

Scales with A7#9

Below you find all scales that include A7#9:

  • hungarian major
  • flamenco
  • spanish heptatonic
  • bebop minor
  • half-whole diminished
  • kafi raga
  • composite blues
  • messiaen's mode #3
  • chromatic

A dominant sharp 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 A7#9 chord. Feel free to save or share the image as needed.

Piano chord chart for the A dominant sharp ninth chord (A7#9). The notes A, C#, E, G and B# are highlighted.