A sharp altered piano chord - A#alt7

The A sharp altered chord is a 4-note chord consisting of the notes A#, C##, G# and B.
You can see these notes highlighted in the interactive piano chart below.
The chord itself is often abbreviated as A#alt7.

Interactive piano diagram for the A sharp altered chord

Piano keyboard displaying the A sharp altered chord with the notes A#BbDCbBG#Ab

Extended Chords

Chords that are a superset of A#alt7. The chords include more notes but always A#, C##, G# and B.

Scales with A#alt7

Below you find all scales that include A#alt7:

  • prometheus neopolitan
  • mystery #1
  • altered
  • phrygian dominant
  • oriental
  • flamenco
  • enigmatic
  • spanish heptatonic
  • half-whole diminished
  • chromatic

Related Topics

A sharp altered 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#alt7 chord. Feel free to save or share the image as needed.

Piano chord chart for the A sharp altered chord (A#alt7). The notes A#, C##, G# and B are highlighted.