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Guitar chord · Diminished 7th

Bbdim7 chord (Bb Diminished 7th)

Symmetrical diminished chord for cinematic tension and neoclassical transitions.

Notes BbDbFbG
Formula 1 ♭3 ♭5 𝄫7
Shapes 1 on this page

Bbdim7 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.

Symmetrical Dim7 Voicing x 1 2 0 2 x

Interactive chord diagram

Bbdim7 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 Bbdim7

These scales start on Bb and contain every note of the chord, so they fit when Bbdim7 is the chord of the moment.

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Questions

What notes are in a Bbdim7 chord?
Bbdim7 is Bb, Db, Fb, G: the 1, ♭3, ♭5, 𝄫7 of Bb.
How do you play Bbdim7 on guitar?
Symmetrical Dim7 Voicing: x 1 2 0 2 x (low E to high E, x = don't play the string).
What scale goes with Bbdim7?
Scales on Bb that contain every note of Bbdim7: Bb Half-Whole Diminished, Bb Whole-Half Diminished, Bb Locrian Natural 6, Bb Ukrainian Dorian, Bb Lydian #2, Bb Ultralocrian.

Diminished 7th chords in every key

More Bb chords