Chord · Ab 6/9
A♭6/9 Chord
A♭6/9 is Ab, C, Eb, F and Bb — lush, neutral substitute for major triads.
A♭6/9 on every instrument
The same 5 notes, 2 sets of hands. Open a diagram for alternate shapes, audio and the mistakes to avoid.
What A♭6/9 is made of
Ab 6/9 (Ab 6/9) is built from the notes Ab, C, Eb, F, Bb, with the interval pattern 1, 3, 5, 6, 9. A common 6/9 chord across many styles.
Stack 1, 3, 5, 6 and 9 on a root of A♭ and you get Ab, C, Eb, F and Bb. That interval recipe is what makes the chord a six nine chord — move the same shape to another root and the character travels with it, which is why C6/9 sounds like a transposed A♭6/9.
6/9: Lush, neutral substitute for major triads.
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♭6/9
All 5 notes sit inside the scale of 8 keys. The roman numeral marks the degree the chord is rooted on.
Other chords on A♭
Same root, different colour.
Questions people ask about Ab6/9
- What notes are in the Ab6/9 chord?
- Ab6/9 is made of Ab, C, Eb, F and Bb — the 1, 3, 5, 6 and 9 degrees of a six nine chord built on Ab.
- What keys use the Ab6/9 chord?
- Every note of Ab6/9 belongs to 8 keys: Eb Major (IV), Ab Major (I), Db Major (V), C# Major (V), C Minor (VI), F Minor (III), Bb Minor (VII), A# Minor (VII). The roman numeral is the scale degree the chord is rooted on.
- How do you play Ab6/9 on guitar and piano?
- This page shows Ab6/9 on guitar and piano — 5 voicings in total. Each diagram links to the full instrument page with alternate shapes, audio and common mistakes.
- Is Ab6/9 the same as G#6/9?
- Yes. Ab6/9 and G#6/9 are enharmonic — identical pitches written two different ways. Which spelling you use depends on the key you are in; Ab6/9 is the spelling this site treats as canonical.
Learn the theory behind it
Why A♭6/9 behaves the way it does — the guides that explain the chord instead of just spelling it.