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Chord · Reference entry

A♭ Major

Major · A♭ – C – E♭ · intervals P1-M3-P5

The A♭ Major chord contains the notes A♭, C, and E♭. Its interval formula is R-M3-P5. The brightest and most stable triad — the foundation of nearly every Western song.

G♯ Major
This is the same chord as G♯ Major — the same keys on the keyboard, spelled with sharps.

At the keyboard

Ab · C · Eb
Flashcards · Chord
Three questions on A♭ Major
Answer on the keyboard, not with buttons. No login required.
A♭

The A♭ Major chord is a three-note chord made up of A♭, C, and E♭. It is built from a root, major third, and perfect fifth.

Construction

A♭ Major = Root + Major 3rd + Perfect 5th = A♭ · C · E♭
NoteIntervalDegree
A♭Root1
CMajor 3rd3
E♭Perfect 5th5

How to Play the A♭ Major

Right Hand (RH)

Place your right hand over the keys with the thumb on the root. Use the fingering: 1 – 3 – 5

Left Hand (LH)

For the left hand, start with your pinky on the root. Use the fingering: 5 – 3 – 1

A♭ Major Inversions

Ab Major piano chord, 1st inversion — C, E♭, A♭
The Ab Major chord, 1st inversion, on a piano keyboard.
Ab Major piano chord, 2nd inversion — E♭, A♭, C
The Ab Major chord, 2nd inversion, on a piano keyboard.
PositionNotes
Root PositionA♭ – C – E♭
1st InversionC – E♭ – A♭
2nd InversionE♭ – A♭ – C

Key Signature

A chord has no key signature of its own, but the A♭ Major 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.

BEADGCF

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:

C1C2C3C4CC6C7C8G#D#
IA♭ Major (major)
DegreeNumeralChordQuality
1IA♭ MajorMajor
2iiB♭ MinorMinor
3iiiC MinorMinor
4IVD♭ MajorMajor
5VE♭ MajorMajor
6viF MinorMinor
7vii°G DiminishedDiminished

How A♭ Major functions in a key

The same chord takes on a different harmonic role depending on the key it appears in. Here is where A♭ Major sits diatonically across the common keys:

  • In A♭ major, A♭ Major is the I chordthe tonic.
  • In C minor, A♭ Major is the VI chordthe tonic.
  • In D♭ major, A♭ Major is the V chordthe dominant.
  • In E♭ major, A♭ Major is the IV chorda predominant.
  • In F minor, A♭ Major is the III chorda mediant / color chord.
  • In B♭ minor, A♭ Major is the ♭VII chorda mediant / color chord.

Common A♭ Major Progressions

Pick a progression and press play. Change the key to hear it anywhere — every chord is built from the same theory as the chord pages, so the notes always agree.

Version
Notation
C1C2C3C4CC6C7C8G#D#
IAb
80 BPM
Root-position blocks move in leaps. Voice leading holds the common tones and steps the rest —

The most fundamental major progression — the I, IV and V chords. The backbone of countless folk, country, blues and rock songs.

A♭ Major — Frequently Asked Questions

What is the A♭ Major chord on piano?
The A♭ Major chord contains the notes A♭ – C – E♭. On piano, play these notes together to sound the chord.
What notes make up the Ab Major chord?
Ab Major contains three notes: Ab (root), C (major third), and Eb (perfect fifth). It has two black keys — Ab and Eb — with the white key C in the middle.
What fingering do I use for Ab Major?
Right hand: finger 2 on Ab, finger 3 on C, finger 4 on Eb (or 1–3–5 repositioned). Left hand: finger 3 on Ab, finger 2 on C, finger 1 on Eb. The alternate fingering (2–3–4) is standard for black-key-rooted chords like Ab.
What are the inversions of Ab Major?
First inversion (Ab/C): C–Eb–Ab. Second inversion (Ab/Eb): Eb–Ab–C. Ab/C is particularly useful since C is a white key, making this inversion feel more stable under the fingers.
What songs use the Ab Major chord?
Ab Major is a common key in romantic ballads and R&B. It appears in Hello (Adele), Let Her Go (Passenger, relative to key), and many classical works by Schubert and Chopin who favoured flat keys for their warmth.
What chords pair well with Ab Major?
In the key of Ab: Db Major (IV), Eb Major (V), and F minor (vi). Ab–Db–Eb is the three-chord sequence. Ab–Eb–Fm–Db is the four-chord pop progression. The relative minor (F minor) gives Ab a melancholic contrast.
How does Ab Major differ from G# Major?
Ab Major and G# Major are enharmonically equivalent — the same pitches, spelled differently. Ab Major (Ab–C–Eb) is far more commonly written and read than G# Major (G#–B#–D#), which requires double sharps in its scale. In practice, always use Ab spelling.

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References & Further Reading

The note names, intervals, fingering, and harmony on this chord page are grounded in the following sources. Public domain treatises and scores are linked to their full text; primary data is piano.org's own interval-derived reference dataset — continuously maintained and human-verified, with no fixed publication date.

  1. 1

    George Grove (ed.)(1900)

    A Dictionary of Music and Musicians

    Public domain treatise
  2. 2

    Jadassohn, Salomon(1883)

    A Manual of Harmony

    Public domain treatise
  3. 3

    Prout, Ebenezer(1889)

    Harmony: Its Theory and Practice

    Public domain treatise
  4. 4

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Entry reviewed and maintained by Justin Evans. Corrections are read and applied.Report an error

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