Bbm7b5 Guitar Chord B♭m7b5 = A#m7b5

B♭m7b5 is a minor 7 flat 5 (half-diminished) chord made of B♭ · D♭ · F♭ · A♭. The ii chord of minor keys. The standard shape is a barre chord at fret 1: x12120 (6th string → 1st string, x = don't play, 0 = open string).

Chord charts

Bbm7b5

Open position · root on 5th string · x12120

Bbm7b5

Fret 1 barre · root on 5th string · x12124

Bbm7b5

Fret 6 barre · root on 6th string · 676696 · from fret 6

Bbm7b5

Fret 8 · root on 4th string · xx8999 · from fret 8

Index finger on string 5 (A), fret 1.
Middle finger on string 3 (G), fret 1.
Ring finger on string 4 (D), fret 2.
Pinky finger on string 2 (B), fret 2.
Let string 1 ring open.
Don't play string 6 (or mute lightly).
Strum down from string 5.

Bbm7b5 guitar chord chart — fret 1 barre x12120 and 3 more shapes — All Bbm7b5 shapes on one image — long-press (or right-click) to save it.

Notes in the chord

B♭
rootD♭
3rdF♭
5thA♭
7th

Play it easier with a capo

Capo on fret 1 + Am7b5 shape → sounds as B♭m7b5

If barre chords are hard, clamp a capo and play an open shape — it sounds exactly the same. The Buskermate app can move a whole chord sheet to any capo position for you.

Try it: capo on

Scales that fit

B♭ Locrian Mode

Other B♭ chords

B♭B♭m B♭7 B♭maj7 B♭m7 B♭6 B♭m6 B♭sus4 B♭sus2 B♭7sus4 B♭dim B♭dim7 B♭m7b5 B♭aug B♭add9 B♭9 B♭m9 B♭maj9

Minor 7 flat 5 (half-diminished) chords in other keys

Cm7b5 C♯m7b5 Dm7b5 E♭m7b5 Em7b5 Fm7b5 F♯m7b5 Gm7b5 A♭m7b5 Am7b5 B♭m7b5 Bm7b5

FAQ

What notes are in the B♭m7b5 chord?

The B♭m7b5 chord is made of B♭, D♭, F♭, A♭. The ii chord of minor keys.

What's the easiest way to play B♭m7b5 on guitar?

The standard shape, from the 6th string to the 1st, is x12120 (a barre chord at fret 1). If the barre is hard, put a capo on fret 1 and play a Am7b5 shape — it sounds the same.

Which scale works for soloing over B♭m7b5?

B♭ locrian fits well.

Are B♭m7b5 and A♯m7b5 the same chord?

Yes. B♭ and A♯ are two names for the same note (enharmonic equivalents), so the fingering and sound are identical — the spelling just depends on the key of the song.

🎸 Transpose a whole chord sheet — Buskermate
Upload a PDF song sheet and Buskermate reads the chords and moves them to any key or capo position (the app is in Korean for now).