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Piano · major ninth

Amaj9 Chord on Piano

Ab Major 9th is Ab, C, Eb, G, Bb — the 1-3-5-7-9 pattern of a major ninth chord. There are 4 ways to play it on piano, ranked below from easiest to hardest.

Every voicing below is the same 5 notes in a different order. Root position is the one to learn first; the inversions exist to keep your hand still when you change chords.


Start hereRoot Position (RH)

Root position — the root is the lowest note. This is the sound in your head when you read the chord symbol, and the one to learn first.

C4C5G5Ab4Eb5Bb5
Press play to hear Abmaj9 the way this shape actually sounds.

Ways to voice it 4 voicings, easiest first

Same 5 notes in all of them. What changes is which one sits at the bottom — and how far your hand has to travel to get there.

  1. C4C5G5Ab4Eb5Bb5

    Way 1 of 4

    Root Position (RH)

    Easiest here· intermediate· the standard shape

    Root position — the root is the lowest note. This is the sound in your head when you read the chord symbol, and the one to learn first.

    Keys: Ab4 · C5 · Eb5 · G5 · Bb5

  2. C4G4C5Eb4Ab4Bb4

    Way 2 of 4

    1st Inversion (RH)

    intermediate

    First inversion — the 3rd (C) moves to the bottom. Reach for it when the chord before this one sat a step below: your hand barely travels.

    Keys: C4 · Eb4 · G4 · Ab4 · Bb4

  3. C4G4C5Eb4Ab4Bb4

    Way 3 of 4

    2nd Inversion (RH)

    intermediate

    Second inversion — the 5th (Eb) is in the bass. It leans forward instead of settling, which makes it a good passing chord.

    Keys: Eb4 · G4 · Ab4 · Bb4 · C5

  4. C3C4G4Ab3Eb4Bb4

    Way 4 of 4

    Spread Voicing (Both)

    advanced

    Root position — the root is the lowest note. This is the sound in your head when you read the chord symbol, and the one to learn first.

    Keys: Ab3 · C4 · Eb4 · G4 · Bb4

What beginners get wrong

Moving in and out of it

The shape above: Root Position (RH).

Listening: each shape above has its own play button, and each one plays the notes that shape actually produces — not a generic triad.

Abmaj9 on other instruments

Same notes, different hands. Every link below is a real page with diagrams and audio.

Guitar

Amaj9 on guitar

1 voicing · easiest is advanced

Ukulele

Amaj9 on ukulele

1 voicing · easiest is advanced

Or see Ab Major 9th on every instrument at once.

Chords next door

Same root, different colour — and all of them playable on piano.

A

Ab Major

Aaug

Ab Augmented

Asus2

Ab Suspended 2nd

Asus4

Ab Suspended 4th

A5

Ab Power Chord

A6

Ab Major 6th

Abmaj9 on Piano — questions people ask

What is the easiest way to play Abmaj9 on piano?

“Root Position (RH)” — which we rate intermediate — is the easiest Abmaj9 shape on piano. Root position — the root is the lowest note. This is the sound in your head when you read the chord symbol, and the one to learn first.

What notes are in the Ab Major 9th chord?

Ab Major 9th is Ab, C, Eb, G, Bb — the 1-3-5-7-9 interval pattern of a major ninth chord. Every voicing on this page uses those notes and nothing else; they just appear in a different order and octave.

How many ways can you play Abmaj9 on piano?

This page has 4 Abmaj9 voicings for piano, ranked from easiest to hardest: Root Position (RH), 1st Inversion (RH), 2nd Inversion (RH), Spread Voicing (Both). They all sound like Abmaj9; the differences are how hard they are to hold and how high they sit.

What can I play instead of Abmaj9?

The nearest stand-ins on piano that keep the same root are Ab5, Absus4, Absus2. They keep the root and the fifth and only change what sits in the middle, so most songs still work — but check the swap against the melody, because the note you removed may be the one the tune is singing.

Can I play Abmaj9 on other instruments?

Yes. Abmaj9 is the same set of notes everywhere; only the fingering changes. This site has diagrams and audio for it on guitar, ukulele.

Learn the theory behind Abmaj9

The shape gets your fingers there. These explain why it sounds the way it does.

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Written and checked by Jake Dahn. Every voicing on this page is re-derived from the instrument’s tuning before it is published, so the diagram and the audio always agree. No ads, no sign-up, no paywall.