Finger Positions

Root Note G

Name G over C

Intervals 1P-3M-5P-7m-9A-11A

Relative Minor Em

Notes C, G, B, D, F, A#, C#

Aliases G7#9#11, G7b5#9, G7#9b5

How to play the G7#9b5/C Chord

The G7#9b5/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, 3M, 5P, 7m, 9A, 11A intervals. In the key of G Major, this chord functions as the I chord.

Common Progressions

In music composition, the G7#9b5/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

Hungarian Major Flamenco Half-Whole Diminished Composite Blues Messiaen's Mode #3 Chromatic

* 6 scales found containing the notes C, G, B, D, F, A#, C#.

Acoustic & Digital Analysis

Digital footprint of the G7#9b5/C chord for MIDI programming and synthesizer sound design.

MIDI Numbers 60, 67, 71, 62, 65, 70, 61

Frequencies (Hz)

261.6255653005986, 391.99543598174927, 493.8833012561241, 293.6647679174076, 349.2282314330039, 466.1637615180899, 277.1826309768721