The A♭ Power chord is a two-note chord made up of A♭ and E♭. It is built from a root and perfect fifth.
Construction
A♭ Power = Root + Perfect 5th = A♭ · E♭
| Note | Interval | Degree |
|---|---|---|
| A♭ | Root | 1 |
| E♭ | Perfect 5th | 5 |
A♭ Power Inversions
| Position | Notes |
|---|---|
| Root Position | A♭ – E♭ |
| 1st Inversion | E♭ – A♭ |
| 2nd Inversion | — |
Key Signature
A chord has no key signature of its own, but the A♭ Power is the tonic (I) chord of Ab Major, whose key signature has 4 flats (B♭, E♭, A♭, D♭).
B♭E♭A♭D♭
Order of flats
Flats are added in a fixed order — the reverse of the sharp order. Each new flat key adds the next flat on the list.
B♭E♭A♭D♭G♭C♭F♭
Mnemonic: Battle Ends And Down Goes Charles’ Father
Chords in the Key of A♭ Major
These are the triads built on each degree of the A♭ major scale:
A♭ Power — Frequently Asked Questions
What is the A♭ Power chord on piano?
The A♭ Power chord contains the notes A♭ – E♭. On piano, play these notes together to sound the chord.
What notes are in the Ab Power chord?
The Ab Power chord (Ab5) contains 2 notes: Ab, Eb. Formula: R-P5.
How is Ab5 used in music?
Ab5 is used in jazz, fusion, and contemporary music to add harmonic color. It appears as a dominant or tonic chord depending on context.
What is the scale degree formula for Ab5?
Ab5 uses scale degrees 1-5, giving it its distinctive sound.