Bb7b9 Chord
Chord Tones
| Interval | Note |
|---|---|
| Perfect 1st | Bb |
| Major 3rd | D |
| Perfect 5th | F |
| Minor 7th | Ab |
| Minor 9th | B |
Compatible Scales
Bb を基準としたスケール
Pentad (five-note chord) rooted on Bb（Chord Tones: Bb, D, F, Ab, B）
| Interval | Note |
|---|---|
| Perfect 1st | Bb |
| Major 3rd | D |
| Perfect 5th | F |
| Minor 7th | Ab |
| Minor 9th | B |
Bb を基準としたスケール
