Finger Positions

Root Note G

Name G half-diminished over C

Intervals 1P-3m-5d-7m

Relative Minor Em

Notes C, G, Bb, Db, F

Aliases Gm7b5, Gø, G-7b5, Gh7, Gh

How to play the Gm7b5/C Chord

The Gm7b5/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 half-diminished over C is built using the 1P, 3m, 5d, 7m intervals. In the key of G Major, this chord functions as the I chord.

Common Progressions

In music composition, the Gm7b5/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 Blues Locrian Locrian Pentatonic Super Locrian Pentatonic Altered Locrian #2 Locrian 6 Dorian #4 Hungarian Major Flamenco Bebop Locrian Half-Whole Diminished Composite Blues Messiaen's Mode #3 Chromatic

* 15 scales found containing the notes C, G, Bb, Db, F.

Acoustic & Digital Analysis

Digital footprint of the Gm7b5/C chord for MIDI programming and synthesizer sound design.

MIDI Numbers 60, 67, 70, 61, 65

Frequencies (Hz)

261.6255653005986, 391.99543598174927, 466.1637615180899, 277.1826309768721, 349.2282314330039