A6 piano chord — the keys, the inversions, the theory

A6 is a sixth chord built from A, C#, E, F#. Below: the keys to press, every inversion with its own diagram, the intervals it is made of, the keys whose scale contains it, and a progression that actually uses it. Press any diagram to hear it.

A6

A · C# · E · F#

Piano keyboardC4C5

Semitones above the root: 0 – 4 – 7 – 9

A major third at the bottom is what makes this bright and settled.

Inversions of A6

  • Root position

    A · C# · E · F# · bass A

  • Inversion 1

    C# · E · F# · A · bass C#

  • Inversion 2

    E · F# · A · C# · bass E

  • Inversion 3

    F# · A · C# · E · bass F#

Same chord, different note at the bottom. Press a diagram to hear it — inversions are how you move between chords without jumping your hand across the keyboard.

Keys that contain A6

  • DV
  • AI
  • EIV

In D it does this job: I – V – vi – IV

  1. D
  2. A6
  3. Bm
  4. G

Questions