G#° (Diminished)

Ab · B · D · 3 notes

Chord

Formula: R – ♭3 – ♭5

Ab R

B ♭3

D ♭5

Bass note: Ab

Key	Degree
A Major	vii°
F# Minor	ii°

The G#° chord is a diminished chord built on G#. It consists of the notes Ab, B, D (scale degrees R, ♭3, ♭5).

Diminished chords stack two minor 3rds (3+3 semitones), creating a tense, unresolved sound. They typically appear as the vii° in major keys.

Use the Key Finder to find what key these notes belong to, or the Progression Builder to use this chord in a sequence.