A♭9
9 · A♭ – C – E♭ – G♭ – B♭
- A♭R
- C3
- E♭5
- G♭♭7
- B♭9
hear it, browse voicings, or tap notes to name any chord
Guitar voicings
Piano
- Root
- Third / sus
- Fifth
- Sixth / seventh
- Extension
About the A♭9 chord
The A♭9 chord (9) is made up of 5 notes — A♭ is the root, C the major third, E♭ the perfect fifth, G♭ the minor seventh and B♭ the ninth. It extends a dominant seventh chord with a ninth stacked above the seventh.
On guitar, A♭9 chords sit higher up the neck: 411112, around the 1st fret. All six strings sound. The diagrams above show 4 playable voicings in all.
Ninth chords extend the dominant seventh into a rich, funky sound at home in funk and jazz.
Common questions
- What notes are in the A♭9 chord?
- The A♭9 chord contains the notes A♭, C, E♭, G♭ and B♭.
- How do you play A♭9 on guitar?
- A common shape is 411112. The diagrams above show 4 playable voicings you can strum or hear.
- What intervals make up the A♭9 chord?
- The A♭9 chord is built from the root (A♭), a major third (C), a perfect fifth (E♭), a minor seventh (G♭) and a ninth (B♭).
- Is A♭9 the same as G♯9?
- Yes — A♭ and G♯ are two names for the same pitch (enharmonic equivalents), so A♭9 and G♯9 are the same chord. MobileChords spells it A♭9.
More than a chord chart
The chart above is just the start. Open A♭9 in the finder to hear it on guitar and piano and browse every playable voicing side by side. Or switch to Name my chord — tap frets or keys and MobileChords identifies the chord you're playing, inversions and slash chords included.