Gb7b13 Chord
Chord Tones
| Interval | Note |
|---|---|
| Perfect 1st | Gb |
| Major 3rd | Bb |
| Augmented 5th | D |
| Minor 7th | E |
| Minor 13th | D |
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Pentad (five-note chord) rooted on Gb（Chord Tones: Gb, Bb, D, E, D）
| Interval | Note |
|---|---|
| Perfect 1st | Gb |
| Major 3rd | Bb |
| Augmented 5th | D |
| Minor 7th | E |
| Minor 13th | D |
