Bm9
B Minor 9th
1 ♭3 5 ♭7 9

Notes in Bm9

BR
D♭3
F♯5
A♭7
C♯9

The Bm9 chord contains 5 notes: B, D, F♯, A, C♯

Intervals

IntervalSemitonesNoteFunction
R0BRoot
♭33DMinor 3rd
57F♯Perfect 5th
♭710AMinor 7th
92C♯Major 9th

About B Minor 9th Chords

Minor 9th chords extend min7 by adding the 9th, creating one of the most beautiful chords in music. They're a staple of neo-soul, jazz, and R&B. Artists like Erykah Badu, D'Angelo, and Robert Glasper use min9 chords extensively.

Compatible Scales & Modes

These scales contain all the notes of Bm9 and can be used for soloing, improvising, and writing melodies over this chord.

B Dorian
The gold standard for minor 9th chords. The natural 6th and 9th both fall within Dorian.
B Aeolian
Works but the ♭6 can clash with the 9th in some voicings. Dorian is generally preferred.

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Playing Gb minor ninth on Guitar

The Gb minor ninth chord, spelled B, D, F♯, A, C♯, occupies a specific harmonic role that depends on the musical context. In the key of Gb major, this chord can function as a primary harmony or as a passing color depending on where it appears in the progression. Understanding which scale degrees produce Gb-rooted chords helps you predict chord progressions and improvise melodies that complement the harmony.

On guitar, Gb minor ninth voicings benefit from second-fret positions that work well with capo techniques. The physical shape of this chord on the fretboard determines its tonal character — the same notes arranged in different voicings produce noticeably different sounds due to string gauge, fret position, and overtone content. Experiment with playing Gb minor ninth in multiple positions to find the voicing that best fits the register and texture of the music you are working on.

Gbm9 extends the minor seventh with a ninth, creating rich, sophisticated minor harmony. The added ninth gives Gbm9 an airy, open quality compared to the simpler minor seventh, making it a favorite for jazz and R&B ballad progressions.

When practicing Gb minor ninth, use the compatible scales listed above to improvise melodies and riffs. Start by playing the chord, then explore the scale tones one at a time to hear how each note sounds against the harmony. This ear training exercise connects your theoretical knowledge of Gb-rooted chords to practical musicianship skills that improve your playing across all genres and styles.