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Guitar chord · Diminished 7th

Abdim7 chord (Ab Diminished 7th)

Symmetrical diminished chord for cinematic tension and neoclassical transitions.

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

Abdim7 chord shapes

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

Symmetrical Dim7 Voicing x 11 12 10 12 x

Interactive chord diagram

Abdim7 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 Abdim7

These scales start on Ab and contain every note of the chord, so they fit when Abdim7 is the chord of the moment.

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Questions

What notes are in a Abdim7 chord?
Abdim7 is Ab, Cb, D, F: the 1, ♭3, ♭5, 𝄫7 of Ab.
How do you play Abdim7 on guitar?
Symmetrical Dim7 Voicing: x 11 12 10 12 x (low E to high E, x = don't play the string).
What scale goes with Abdim7?
Scales on Ab that contain every note of Abdim7: Ab Half-Whole Diminished, Ab Whole-Half Diminished, Ab Locrian Natural 6, Ab Ukrainian Dorian, Ab Lydian #2, Ab Ultralocrian.

Diminished 7th chords in every key

More Ab chords