A♭9
9 · A♭ – C – E♭ – G♭ – B♭
- A♭R
- C3
- E♭5
- G♭♭7
- B♭9
Guitar voicings
Piano
- Root
- Third / sus
- Fifth
- Sixth / seventh
- Extension
About the A♭9 chord
The A♭9 chord (9) is built from A♭ (the root), C (a major third), E♭ (a perfect fifth), G♭ (a minor seventh) and B♭ (a ninth). Ninth chords extend the dominant seventh into a rich, funky sound at home in funk and jazz.