Leading-tone resolution
in A major
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Piano chord · also written A♭dim
The G♯ Diminished chord on piano is made of the notes G♯, B and D. Tense and unstable. Often used as a passing chord.
Tap any key to hear it.
3 notes, built 1 – ♭3 – ♭5 up from G♯.
Fingers are numbered 1 (thumb) to 5 (little finger) on both hands.
Each inversion puts a different note of the chord in the bass. Written as a slash chord: G♯dim/B, G♯dim/D.
Tap the notes on the keyboard, then check. Six chords, starting with this one.
1 / 6 Tap the notes of G♯ Diminished (G♯dim)
Score 0
Any octave, any order. Each key you tap plays.
The keys whose scale contains every note of G♯dim, with the chord’s Roman numeral in each.
Major keys
Minor keys
G♯ Diminished (G♯dim) has 3 notes: G♯, B and D. Its formula is 1 – ♭3 – ♭5, counted up from G♯.
Put your right thumb on G♯ and play G♯, B and D with fingers 1 – 3 – 5. With the left hand, use fingers 5 – 3 – 1, little finger on G♯.
On the piano, yes: A♭dim (A♭, C♭, D) uses exactly the same keys as G♯dim (G♯, B, D). Which name is used depends on the key of the piece; G♯dim is the more common spelling.
1st inversion: B, D, G♯ (G♯dim/B). 2nd inversion: D, G♯, B (G♯dim/D).
G♯dim belongs to A major (vii°) and F♯ minor (ii°).