How to build a added ninth chord
An added-ninth chord is a major triad with a major 9th added but no 7th. It is a bright, open colour common in pop and rock guitar writing.
Look up any other chord with the Scale & Chord Finder.
Chord
A♭add9 chord
A♭add9 is a added ninth chord with the notes A♭, C, E♭, B♭. The same chord spelled from G♯ is G♯add9.
A♭1
C3
E♭5
B♭9
Intervals
| Note | Interval | Semitones |
|---|---|---|
| A♭ | root | 0 |
| C | major 3rd | 4 |
| E♭ | perfect 5th | 7 |
| B♭ | major 9th | 14 |
Inversions
| Root position | A♭ – C – E♭ – B♭ | |
| 1st inversion | C – E♭ – B♭ – A♭ (A♭add9/C) | |
| 2nd inversion | E♭ – B♭ – A♭ – C (A♭add9/E♭) | |
| 3rd inversion | B♭ – A♭ – C – E♭ (A♭add9/B♭) |