Gb7#9 Chord
Chord Tones
| Interval | Note |
|---|---|
| Perfect 1st | Gb |
| Major 3rd | Bb |
| Perfect 5th | Db |
| Minor 7th | E |
| Augmented 9th | A |
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Pentad (five-note chord) rooted on Gb（Chord Tones: Gb, Bb, Db, E, A）
| Interval | Note |
|---|---|
| Perfect 1st | Gb |
| Major 3rd | Bb |
| Perfect 5th | Db |
| Minor 7th | E |
| Augmented 9th | A |
