Bm9 (minor ninth)

5-note minor 9th on BB, C♯, D, F♯, A.

Press to hear the chord strummed low to high.

A minor seventh with the ninth stacked on — rich and velvety, the classic Rhodes-piano minor sound.

The notes

Pitches taken from the first fingering below — click any note to open its frequency page.

Interval formula

DegreeNoteWhat it is
1Broot
9C♯ninth
♭3Dminor third
5F♯perfect fifth
♭7Aflat seventh (dominant)

The formula reads in semitones above the root (B): 1, 9, ♭3, 5, ♭7. A voicing may leave a tone out — often the fifth — but never adds one from outside this set.

Guitar fingerings · 4

1234
open position
3fr23314
from fret 3
7fr131114
from fret 7
10fr132241
from fret 10

Ukulele fingerings · 4

3
open position
4fr4321
from fret 4
5fr2211
from fret 5
7fr1234
from fret 7

Read a diagram top-down: the thick bar is the nut, dots are where to press (the number is which finger), means play the open string, means don't play it. A bar across strings is a barre.

Other B chords

m9 (minor ninth) chords on every root