A♯m7 (minor seventh) / B♭m7 (minor seventh)

4-note minor 7th on A♯ / B♭A♯, C♯, F, G♯.

Press to hear the chord strummed low to high.

Minor triad with a flat seventh — mellow and stable, the workhorse minor chord of soul and jazz.

The notes

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

Interval formula

DegreeNoteWhat it is
1A♯root
♭3C♯minor third
5Fperfect fifth
♭7G♯flat seventh (dominant)

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

Guitar fingerings · 4

32
open position
2314
open position
6fr131111
from fret 6
8fr11423
from fret 8

Ukulele fingerings · 4

open position
3fr1322
from fret 3
6fr1324
from fret 6
9fr2213
from fret 9

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 A♯ / B♭ chords

m7 (minor seventh) chords on every root