Finger Positions

Root Note G

Name G over C

Intervals 1P-4P-5P-7m-9M

Relative Minor Em

Notes G, C, D, F, A

Aliases G9sus4, G9sus

How to play the G9sus4/C Chord

The G9sus4/C is a fundamental dominant 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 over C is built using the 1P, 4P, 5P, 7m, 9M intervals. In the key of G Major, this chord functions as the I chord.

Common Progressions

In music composition, the G9sus4/C chord is often used to create tension or resolution.

I-V-vi-IV

G → D → Em → C

vi-IV-I-V

Em → C → G → D

The Diatonic Family

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

Triads

G Am Bm C D Em F#dim

7ths

Gmaj7 Am7 Bm7 Cmaj7 D7 Em7 F#m7b5

Scale Compatibility

View All Scales

Minor Bebop Dorian Mixolydian Piongio Mixolydian B6 Bebop Minor Minor Bebop Composite Blues Chromatic

* 10 scales found containing the notes G, C, D, F, A.

Acoustic & Digital Analysis

Digital footprint of the G9sus4/C chord for MIDI programming and synthesizer sound design.

MIDI Numbers 67, 60, 62, 65, 69

Frequencies (Hz)

391.99543598174927, 261.6255653005986, 293.6647679174076, 349.2282314330039, 440