A dominant seventh piano chord - A7

The A dominant seventh chord is a 4-note chord consisting of the notes A, C#, E and G.
You can see these notes highlighted in the interactive piano chart below.
The chord itself is often abbreviated as A7.

Interactive piano diagram for the A dominant seventh chord

Piano keyboard displaying the A dominant seventh chord with the notes AFbEGC#Db

Extended Chords

Chords that are a superset of A7. The chords include more notes but always A, C#, E and G.

Reduced chords

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

Scales with A7

Below you find all scales that include A7:

  • mixolydian pentatonic
  • lydian dominant pentatonic
  • mixolydian b6
  • lydian dominant
  • lydian minor
  • phrygian dominant
  • hungarian major
  • flamenco
  • mixolydian
  • spanish heptatonic
  • bebop
  • bebop minor
  • half-whole diminished
  • kafi raga
  • composite blues
  • messiaen's mode #3
  • chromatic

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

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