Ab7b9 Chord
Chord Tones
| Interval | Note |
|---|---|
| Perfect 1st | Ab |
| Major 3rd | C |
| Perfect 5th | Eb |
| Minor 7th | Gb |
| Minor 9th | A |
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Pentad (five-note chord) rooted on Ab（Chord Tones: Ab, C, Eb, Gb, A）
| Interval | Note |
|---|---|
| Perfect 1st | Ab |
| Major 3rd | C |
| Perfect 5th | Eb |
| Minor 7th | Gb |
| Minor 9th | A |
