A altered piano chord - Aalt7

The A altered chord is a 4-note chord consisting of the notes A, C#, G and Bb.
You can see these notes highlighted in the interactive piano chart below.
The chord itself is often abbreviated as Aalt7.

Interactive piano diagram for the A altered chord

Piano keyboard displaying the A altered chord with the notes AGC#DbA#Bb

Extended Chords

Chords that are a superset of Aalt7. The chords include more notes but always A, C#, G and Bb.

Scales with Aalt7

Below you find all scales that include Aalt7:

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

Related Topics

A 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 Aalt7 chord. Feel free to save or share the image as needed.

Piano chord chart for the A altered chord (Aalt7). The notes A, C#, G and Bb are highlighted.