Quick Answer & Harmonic Definition

To play the G# Augmented chord on piano, press the keys G#, C, E simultaneously. In root position, G# is the lowest note. First inversion places C in the bass; second inversion uses E as the lowest note.

Piano Chord

G#aug Piano Chord

A major triad with a raised fifth. Creates a mysterious, unsettled sound. Learn the G# Augmented chord on piano with interactive keyboard, inversions, and audio playback.

Notes
G# – C – E
Intervals
0 – 4 – 8
Type
triad chord
G# C E
E
A
D
G
B
e
3
5
7
9
12
3 notes · Standard (E A D G B E)

Playing the G#aug Piano Chord

The G#aug chord is a augmented chord built on the root G#. It contains 3 notes: G#, C, E. On piano, this chord is played by pressing these keys simultaneously or as an arpeggio.

A major triad with a raised fifth. Creates a mysterious, unsettled sound. Mastering the G#aug chord opens up countless songs and progressions in the key of G#.

Piano Finger Positions for G#aug

For the G#aug triad chord, use these finger positions:

  • Right hand (root position): Thumb (1) on G#, middle finger (3) on C, pinky (5) on E.
  • Left hand (root position): Pinky (5) on G#, middle finger (3) on C, thumb (1) on E.
  • Arpeggiated: Play the notes sequentially from lowest to highest for a broken triad effect.

G#aug Chord Inversions

Inversions change the bass note while keeping the same harmonic quality:

Inversion Bass Note Notes (bottom to top) Sound
Root G# G# – C – E Most stable
1st C C – E – G# Lighter, less stable

Interval Structure of G#aug

Degree Interval Semitones Note in G#
Root Root (R) 0 G#
3rd Major 3rd 4 C
5th Augmented 5th 8 E

Common Progressions with G#aug on Piano

  • I–IV–V–I: G#aug – C#aug – D#aug – G#aug (classic cadence)
  • I–V–vi–IV: G#aug – D# – Fm – C# (pop progression)
  • ii–V–I: A#m – D# – G#aug (jazz turnaround)

Other G# Piano Chords

G#
Major
G#m
Minor
G#7
Dominant 7th
G#maj7
Major 7th
G#m7
Minor 7th
G#dim
Diminished

Augmenté Chord in All 12 Keys

Caug C#aug Daug D#aug Eaug Faug F#aug Gaug G#aug Aaug A#aug Baug
Virtual Piano
Interactive keyboard
G#aug Guitar
Guitar chord shapes
G# Scale
Notes that fit this chord
Songs
Find songs using G#aug

Knowledge Base & FAQs

G#aug Piano Chord — FAQ

Everything you need to know about our browser-based Web Audio engine, instruments, and music theory workspace.

How do I play the G#aug chord on piano?

To play the G# Augmented chord on piano, press the keys G#, C, E simultaneously.

In root position, G# is the lowest note. First inversion places C in the bass; second inversion uses E as the lowest note.

What are the notes in the G#aug piano chord?

The G# Augmented piano chord contains 3 notes: G#, C, E.

These are derived from the augmented interval formula applied to the root note G#.

What is the best fingering for G#aug on piano?

For the G#aug triad in root position, use fingers 1 (thumb), 3, and 5 for a triad, or 1, 2, 3, and 5 for a triad chord.

Inversions may use 1, 2, 4 (first inversion) or 1, 3, 5 (second inversion).

What does the G#aug chord sound like?

The G#aug chord has a a major triad with a raised fifth.

creates a mysterious, unsettled sound. It provides rich harmonic tension and expressive color within songwriting and jazz arrangements.

What keys does the G#aug chord belong to?

G#aug appears frequently across modal, jazz, blues, and contemporary progressions as an essential tension or resolution voicing.

What are the inversions of G#aug on piano?

G#aug has 2 inversions.

Root position: G#–C–E. First inversion: C–E–G#.

What chords go well with G#aug on piano?

In the key of G# major, G#aug pairs naturally with C# major (IV chord), D# major (V chord), and Fm (vi chord).

The I–IV–V–I progression is a classic way to practice these.

Is G#aug a good chord for beginners on piano?

Yes, G#aug is a triad with 3 notes, making it accessible for beginners.

Practice playing all 3 keys simultaneously with proper finger positioning.

How do I use G#aug in a chord progression?

G#aug functions as the tonic (I) in G# major.

A classic progression is I–IV–V–I: G#aug–C#–D#–G#aug. Practice this in both hands separately before combining.

What is the difference between G# major and G# minor on piano?

The G# major chord (G#–C–D#) uses a major third (4 semitones from root) for a bright sound.

The G#m chord uses a minor third (3 semitones) for a darker, more emotional sound.