A♯m(maj7) (minor-major seventh) / B♭m(maj7) (minor-major seventh)

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

Press to hear the chord strummed low to high.

A minor triad with a MAJOR seventh — the clash of the minor third against the leading tone gives it a haunted, cinematic edge.

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
7Amajor seventh

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

423
open position
6fr132111
from fret 6
8fr11342
from fret 8
10fr4211
from fret 10

Ukulele fingerings · 4

312
open position
2
open position
3fr1342
from fret 3
6fr1413
from fret 6

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

m(maj7) (minor-major seventh) chords on every root