Abdim chord

The Abdim chord (Ab diminished, also written G#dim) on a piano: the notes, every inversion and the keys it belongs to. Tap play to hear it, and download it as MIDI.

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Ab1Cb= Bb3Ebb= Db5

About the diminished chord

The root, a minor third and a diminished fifth. Tense and unstable, mostly used as a passing chord.

Formula: 1 b3 b5. Used in: Film music, classical, jazz, and as a step between two chords.

Abdim inversions

Tap an inversion to hear it. Inversions keep the same notes in a different order, which lets chords move smoothly from one to the next.

Keys with Abdim

Abdim is the VII chord in A major and II chord in F# minor.

It also appears in B Dorian (VI), C# Phrygian (V), D Lydian (IV), E Mixolydian (III).

Build a progression around it in the chord progression generator.

More Ab chords

Other diminished chords

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Questions

What notes are in a Abdim chord?

Ab, Cb (B), Ebb (D).

What is the formula of a diminished chord?

1 b3 b5. The root, a minor third and a diminished fifth. Tense and unstable, mostly used as a passing chord.

What key is Abdim in?

Abdim is a chord in A major (VII), F# minor (II).

Is Abdim the same as G#dim?

Yes. Ab and G# are the same key on the piano, so the chords sound the same. Which name is used depends on the key of the song.