Finger Positions

Root Note G

Name G over C#

Intervals 1P-3M-5P-6M-11A

Relative Minor Em

Notes G, B, D, E, C#

Aliases GM6#11, GM6b5, G6#11, G6b5

How to play the G6b5/C# Chord

The G6b5/C# is a fundamental major 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, 6M, 11A intervals. In the key of G Major, this chord functions as the I chord.

Common Progressions

In music composition, the G6b5/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

Lydian Lydian Dominant Hungarian Major Lydian #9 Ichikosucho Half-Whole Diminished Composite Blues Chromatic

* 8 scales found containing the notes G, B, D, E, C#.

Acoustic & Digital Analysis

Digital footprint of the G6b5/C# chord for MIDI programming and synthesizer sound design.

MIDI Numbers 67, 71, 62, 64, 61

Frequencies (Hz)

391.99543598174927, 493.8833012561241, 293.6647679174076, 329.6275569128699, 277.1826309768721