What notes are in a Bbdim(maj7) chord?

Bbdim(maj7) is Bb, Db, Fb, A: the 1, ♭3, ♭5, 7 of Bb.

How do you play Bbdim(maj7) on guitar?

6th String Root: 6 7 7 6 x x; 5th String Root: x 1 2 2 2 x; 4th String Root: x x 8 9 10 9 (low E to high E, x = don't play the string).

Guitar chord · Diminished Major 7th

Bbdim(maj7) chord (Bb Diminished Major 7th)

Diminished triad with a major 7th: tense and rare, built on a minor 3rd, a lowered 5th and a major 7th.

Notes BbDbFbA

Formula 1 ♭3 ♭5 7

Shapes 3 on this page

Bbdim(maj7) 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.

6th String Root 6 7 7 6 x x

5th String Root x 1 2 2 2 x

4th String Root x x 8 9 10 9

Interactive chord diagram

Bbdim(maj7) 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 Bbdim(maj7)

These scales start on Bb and contain every note of the chord, so they fit when Bbdim(maj7) is the chord of the moment.

Bb Whole-Half Diminished Bb Hungarian Minor Bb Lydian #2 Bb Lydian b3 Bb Lydian Augmented #2 Bb Lydian #2 #6

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Questions

What notes are in a Bbdim(maj7) chord?: Bbdim(maj7) is Bb, Db, Fb, A: the 1, ♭3, ♭5, 7 of Bb.
How do you play Bbdim(maj7) on guitar?: 6th String Root: 6 7 7 6 x x; 5th String Root: x 1 2 2 2 x; 4th String Root: x x 8 9 10 9 (low E to high E, x = don't play the string).
What scale goes with Bbdim(maj7)?: Scales on Bb that contain every note of Bbdim(maj7): Bb Whole-Half Diminished, Bb Hungarian Minor, Bb Lydian #2, Bb Lydian b3, Bb Lydian Augmented #2, Bb Lydian #2 #6.

Diminished Major 7th chords in every key

Cdim(maj7) C#dim(maj7) Ddim(maj7) Ebdim(maj7) Edim(maj7) Fdim(maj7) F#dim(maj7) Gdim(maj7) Abdim(maj7) Adim(maj7) Bbdim(maj7) Bdim(maj7)