Bb7b9

Dominant 7th Flat 9

Click keys to experiment with the chord

Notes

1•A#43•D55•F5b7•G#5b9•B5

Formula

1 – 3 – 5 – b7 – b9

Intervals: 0 semitones, 4 semitones, 7 semitones, 10 semitones, 13 semitones

About Bb7b9

The Bb7b9 chord sounds dark and dramatic, a staple of minor-key resolutions. It is built from the notes A#, D, F, G#, B, stacking 5 tones to create its distinctive sound.

Notes: A# – D – F – G# – B | Formula: 1 – 3 – 5 – b7 – b9

Related Chords

Dominant 7th Flat 9 in other keys

C7b9 Db7b9 D7b9 Eb7b9 E7b9 F7b9

Other Bb chords

Bb5 — Power Chord Bb6 — Major 6th Bb7 — Dominant 7th Bb9 — Dominant 9th Bb11 — Dominant 11th Bb13 — Dominant 13th Bb — Major Bbm — Minor

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