What notes are in a Bbm7b5 chord?

Bbm7b5 is Bb, Db, Fb, Ab: the 1, ♭3, ♭5, ♭7 of Bb.

How do you play Bbm7b5 on guitar?

5th String Root Voicing: x 1 2 1 2 x; 6th String Root Voicing: 6 x 6 6 5 x (low E to high E, x = don't play the string).

Guitar chord · Half-Diminished (m7♭5)

Bbm7b5 chord (Bb Half-Diminished (m7♭5))

Essential bridge chord on the ii degree of minor ii-V-I jazz progressions.

Notes BbDbFbAb

Formula 1 ♭3 ♭5 ♭7

Shapes 2 on this page

Bbm7b5 chord shapes

Tap a diagram to strum it. Numbers are fingers: 1 index, 2 middle, 3 ring, 4 pinky. Blue dots are the root, Bb.

5th String Root Voicing x 1 2 1 2 x

6th String Root Voicing 6 x 6 6 5 x

Interactive chord diagram

Bbm7b5 on the fretboard

STR OP 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 E A D G B E ✕ ✕ ✕ ✕

Tap any note to hear it.

Scales to play over Bbm7b5

These scales start on Bb and contain every note of the chord, so they fit when Bbm7b5 is the chord of the moment.

Bb Blues Bb Locrian Bb Altered Bb Half-Whole Diminished Bb Locrian Natural 2 Bb Locrian Natural 6 Bb Ukrainian Dorian Bb Dorian b5 Bb Lydian #2 #6 Bb Hungarian Major

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Questions

What notes are in a Bbm7b5 chord?: Bbm7b5 is Bb, Db, Fb, Ab: the 1, ♭3, ♭5, ♭7 of Bb.
How do you play Bbm7b5 on guitar?: 5th String Root Voicing: x 1 2 1 2 x; 6th String Root Voicing: 6 x 6 6 5 x (low E to high E, x = don't play the string).
What scale goes with Bbm7b5?: Scales on Bb that contain every note of Bbm7b5: Bb Blues, Bb Locrian, Bb Altered, Bb Half-Whole Diminished, Bb Locrian Natural 2, Bb Locrian Natural 6.

Half-Diminished (m7♭5) chords in every key

Cm7b5 C#m7b5 Dm7b5 Ebm7b5 Em7b5 Fm7b5 F#m7b5 Gm7b5 Abm7b5 Am7b5 Bbm7b5 Bm7b5