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Chord · Reference entry

G♯ Augmented 7th

Augmented 7th · G♯ – B♯ – D♯♯ – F♯ · intervals P1-M3-A5-m7

The G♯ Augmented 7th chord (G♯aug7) contains the notes G♯, B♯, D♯♯, and F♯. Its interval formula is R-M3-A5-m7. A major triad with raised 5th and flat 7th — bright, unstable, often resolves to a minor I chord.

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

At the keyboard

G# · B# · D## · F#
Flashcards · Chord
Three questions on G♯ Augmented 7th
Answer on the keyboard, not with buttons. No login required.
G♯+7

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

Construction

G♯ Augmented 7th = Root + Major 3rd + Minor 6th + Minor 7th = G♯ · B♯ · D♯♯ · F♯
NoteIntervalDegree
G♯Root1
B♯Major 3rd3
D♯♯Minor 6th♯5
F♯Minor 7th♭7

G♯ Augmented 7th Inversions

G# Augmented 7th piano chord, 1st inversion — B♯, Dx, F♯, G♯
The G# Augmented 7th chord, 1st inversion, on a piano keyboard.
G# Augmented 7th piano chord, 2nd inversion — Dx, F♯, G♯, B♯
The G# Augmented 7th chord, 2nd inversion, on a piano keyboard.
G# Augmented 7th piano chord, 3rd inversion — F♯, G♯, B♯, Dx
The G# Augmented 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 Augmented 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:

G♯ Augmented 7th — Frequently Asked Questions

What is the G♯ Augmented 7th chord on piano?
The G♯ Augmented 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# Augmented 7th chord?
G# Augmented 7th is built from the G# root. Check the interactive keyboard above for exact notes and fingering.
How is the G# Augmented 7th chord used in music?
G# Augmented 7th appears in jazz, pop, and classical contexts. Its sound depends on the chord quality (Augmented 7th).
What is the fingering for G# Augmented 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# Augmented 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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