Chord · Ab Major 7th
A♭maj7 Chord
A♭maj7 is Ab, C, Eb and G — dreamy, sophisticated. Tonic of jazz ballads.
A♭maj7 on every instrument
The same 4 notes, 6 sets of hands. Open a diagram for alternate shapes, audio and the mistakes to avoid.
What A♭maj7 is made of
Ab Major 7th (Ab major 7th) is built from the notes Ab, C, Eb, G, with the interval pattern 1, 3, 5, 7. A common major 7th chord across many styles.
Stack 1, 3, 5 and 7 on a root of A♭ and you get Ab, C, Eb and G. That interval recipe is what makes the chord a major seventh chord — move the same shape to another root and the character travels with it, which is why Cmaj7 sounds like a transposed A♭maj7.
Major 7th: Dreamy, sophisticated. Tonic of jazz ballads.
Spelling: the notes above are written the way a score would write them, not simplified to the nearest piano key. That is why this chord is spelled with A♭ rather than its enharmonic equivalent.
Keys that contain A♭maj7
All 4 notes sit inside the scale of 4 keys. The roman numeral marks the degree the chord is rooted on.
Other chords on A♭
Same root, different colour.
The same major seventh shape, moved
The identical interval recipe, built on other roots.
Questions people ask about Abmaj7
- What notes are in the Abmaj7 chord?
- Abmaj7 is made of Ab, C, Eb and G — the 1, 3, 5 and 7 degrees of a major seventh chord built on Ab.
- What keys use the Abmaj7 chord?
- Every note of Abmaj7 belongs to 4 keys: Eb Major (IV), Ab Major (I), C Minor (VI), F Minor (III). The roman numeral is the scale degree the chord is rooted on.
- How do you play Abmaj7 on guitar and piano?
- This page shows Abmaj7 on guitar, piano, ukulele, bass, mandolin and banjo — 10 voicings in total. Each diagram links to the full instrument page with alternate shapes, audio and common mistakes.
- Is Abmaj7 the same as G#maj7?
- Yes. Abmaj7 and G#maj7 are enharmonic — identical pitches written two different ways. Which spelling you use depends on the key you are in; Abmaj7 is the spelling this site treats as canonical.
Learn the theory behind it
Why A♭maj7 behaves the way it does — the guides that explain the chord instead of just spelling it.