Absus4 piano chord — the keys, the inversions, the theory

Absus4 is a suspended fourth chord built from Ab, Db, Eb. 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.

Absus4

Ab · Db · Eb

Piano keyboardC4C5

Semitones above the root: 0 – 5 – 7

The third is replaced by a fourth, so the chord is neither major nor minor until it resolves.

Inversions of Absus4

  • Root position

    Ab · Db · Eb · bass Ab

  • Inversion 1

    Db · Eb · Ab · bass Db

  • Inversion 2

    Eb · Ab · Db · bass Eb

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 Absus4

  • DbV
  • AbI
  • Eiii
  • Bvi
  • F#ii

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

  1. Db
  2. Absus4
  3. Bbm
  4. Gb

Questions