B♭ Minor 9th
B♭m9
Notes
B♭ · D♭ · F · A♭ · C
Intervals
- RootB♭ (1P)
- Minor 3rdD♭ (3m)
- Perfect 5thF (5P)
- Minor 7thA♭ (7m)
- Major 9thC (9M)
Fretboard

Adjust labels, frets, and palette in the interactive view.
Voicings & shapes
Rootless voicings (A / B form) (4)
About
The B♭m9 minor ninth (B♭–D♭–F–A♭–C) extends a minor 7 with a ninth. The C sits above the A♭ and adds an expressive, singing quality. The essential tones are the D♭ (minor identity), A♭ (seventh extension), and C (defining color); the 5th can be dropped to keep voicings clear. m9 chords appear frequently in jazz, neo-soul, and ambient styles as tonic or pre-dominant harmony — for example as ii in a major ii–V–I (B♭m9 → E♭9 → A♭Maj9). Compared to B♭m7, the added 9th gives more emotional dimension without increasing tension.
Chord diagrams
Bb Minor 9th voicing charts — tap a sheet to open it full size to save or print.
Similar chords
Chords sharing two or more notes with this one, ranked by overlap.
Scales containing this chord
- B♭ Dorian (I)
- B♭ Natural Minor (I)
- A♭ Major (II)
- A♭ Mixolydian (II)
- C Locrian (VII)
- C Phrygian (VII)
- D♭ Lydian (VI)
- D♭ Major (VI)
- E♭ Dorian (V)
- E♭ Mixolydian (V)
- F Harmonic Minor (IV)
- F Natural Minor (IV)
- F Phrygian (IV)
- F♯ Lydian (III)
- G Locrian (III)
Scales whose notes include every chord tone. The Roman numeral (or scale degree) marks the chord root’s position in the scale.
