A♭add9
Add 9 · A♭ – C – E♭ – B♭
- A♭R
- C3
- E♭5
- B♭9
Guitar voicings
Piano
- Root
- Third / sus
- Fifth
- Sixth / seventh
- Extension
About the A♭add9 chord
The A♭add9 chord (Add 9) is built from A♭ (the root), C (a major third), E♭ (a perfect fifth) and B♭ (a ninth). Add-nine chords stack a ninth on a plain triad for a bright, modern shimmer without a seventh.