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Chord · Reference entry

G♯ Diminished 7th

Diminished 7th · G♯ – B – D – F · intervals P1-m3-d5-d7

The G♯ Diminished 7th chord (G♯dim7) contains the notes G♯, B, D, and F. Its interval formula is R-m3-d5-d7. A symmetrical stack of minor thirds — maximally unstable, a passing chord in classical and ragtime.

A♭ Diminished 7th
This is the same chord as A♭ Diminished 7th — the same keys on the keyboard, spelled with flats.

At the keyboard

G# · B · D · F
Flashcards · Chord
Three questions on G♯ Diminished 7th
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G♯°7

The G♯ Diminished 7th chord is a four-note chord made up of G♯, B, D, and F. It is built from a root, minor third, diminished fifth, and diminished seventh.

Construction

G♯ Diminished 7th = Root + Minor 3rd + Diminished 5th + Major 6th = G♯ · B · D · F
NoteIntervalDegree
G♯Root1
BMinor 3rd♭3
DDiminished 5th♭5
FMajor 6th6

G♯ Diminished 7th Inversions

G# Diminished 7th piano chord, 1st inversion — B, D, F, G♯
The G# Diminished 7th chord, 1st inversion, on a piano keyboard.
G# Diminished 7th piano chord, 2nd inversion — D, F, G♯, B
The G# Diminished 7th chord, 2nd inversion, on a piano keyboard.
G# Diminished 7th piano chord, 3rd inversion — F, G♯, B, D
The G# Diminished 7th chord, 3rd inversion, on a piano keyboard.
PositionNotes
Root PositionG♯ – B – D – F
1st InversionB – D – F – G♯
2nd InversionD – F – G♯ – B
3rd InversionF – G♯ – B – D

Key Signature

A Diminished 7th chord is built from symmetrical or ambiguous intervals, so it doesn’t belong to a single key and has no key signature of its own.

Same Notes, Other Names

The notes G♯ – B – D – F aren’t exclusive to this chord. Depending on which note is the bass and how the chord functions, the same pitches also spell the following:

G♯ Diminished 7th — Frequently Asked Questions

What is the G♯ Diminished 7th chord on piano?
The G♯ Diminished 7th chord contains the notes G♯ – B – D – F. On piano, play these notes together to sound the chord.
What notes are in the G# Diminished 7th chord?
G# Diminished 7th is built from the G# root. Check the interactive keyboard above for exact notes and fingering.
How is the G# Diminished 7th chord used in music?
G# Diminished 7th appears in jazz, pop, and classical contexts. Its sound depends on the chord quality (Diminished 7th).
What is the fingering for G# Diminished 7th?
See the fingering chart above. Right hand typically uses thumb on root. Left hand uses pinky on root.
What are the inversions of G# Diminished 7th?
Use the inversion buttons above to see each inversion with notes, fingering, and staff notation.

Related Tools

Chord FinderLook up any chord — see the notes, hear it, and play along.Chord DrillTimed drills to build speed and recognition across all chord types.Practice RoomPlug in a MIDI keyboard and get real-time feedback on every chord and scale.Circle of FifthsVisualize key relationships, relative minors, and key signatures.MIDI MonitorLive MIDI message stream with note names, velocity, and a scrolling staff.

References & Further Reading

The note names, intervals, fingering, and harmony on this chord page are grounded in the following sources. Public domain treatises and scores are linked to their full text; primary data is piano.org's own interval-derived reference dataset — continuously maintained and human-verified, with no fixed publication date.

  1. 1

    Riemann, Hugo(1896)

    Harmony Simplified (English translation)

    Public domain treatise
  2. 2

    George Grove (ed.)(1900)

    A Dictionary of Music and Musicians

    Public domain treatise
  3. 3

    Jadassohn, Salomon(1883)

    A Manual of Harmony

    Public domain treatise
  4. 4

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Entry reviewed and maintained by Justin Evans. Corrections are read and applied.Report an error

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