Finger Positions

Root Note G#

Name G# augmented over C#

Intervals 1P-3M-5A

Relative Minor Fm

Notes C#, G#, C, E

Aliases G#aug, G#+, G#+5, G#^#5

How to play the G#aug/C# Chord

The G#aug/C# is a fundamental augmented chord in guitar music. To play this chord correctly, ensure your fingers are placed precisely on the frets indicated in the diagram above.

Music Theory Analysis

From a theoretical perspective, the G# augmented over C# is built using the 1P, 3M, 5A intervals. In the key of G# Major, this chord functions as the I chord.

Common Progressions

In music composition, the G#aug/C# chord is often used to create tension or resolution.

I-V-vi-IV

G# → D# → Fm → C#

vi-IV-I-V

Fm → C# → G# → D#

The Diatonic Family

Understanding the "family" of chords that belong to G# helps with transposition and ear training.

Triads

G# A#m Cm C# D# Fm Gdim

7ths

G#maj7 A#m7 Cm7 C#maj7 D#7 Fm7 Gm7b5

Scale Compatibility

View All Scales

Flat Six Pentatonic Whole Tone Pentatonic Lydian #5p Pentatonic Augmented Mystery #1 Six Tone Symmetric Whole Tone Locrian Major Double Harmonic Lydian Altered Mixolydian B6 Lydian Augmented Ultralocrian Augmented Heptatonic Leading Whole Tone

* 15 scales found containing the notes C#, G#, C, E.

Acoustic & Digital Analysis

Digital footprint of the G#aug/C# chord for MIDI programming and synthesizer sound design.

MIDI Numbers 61, 68, 60, 64

Frequencies (Hz)

277.1826309768721, 415.3046975799451, 261.6255653005986, 329.6275569128699