Finger Positions

Root Note G

Name G major thirteenth over B

Intervals 1P-3M-5P-7M-9M-13M

Relative Minor Em

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

Aliases Gmaj13, GMaj13, G^13

How to play the Gmaj13/B Chord

The Gmaj13/B 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 major thirteenth over B is built using the 1P, 3M, 5P, 7M, 9M, 13M intervals. In the key of G Major, this chord functions as the I chord.

Common Progressions

In music composition, the Gmaj13/B 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

Major Bebop Lydian Bebop Major Ichikosucho Chromatic

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

Acoustic & Digital Analysis

Digital footprint of the Gmaj13/B chord for MIDI programming and synthesizer sound design.

MIDI Numbers 67, 71, 62, 66, 69, 64

Frequencies (Hz)

391.99543598174927, 493.8833012561241, 293.6647679174076, 369.9944227116344, 440, 329.6275569128699