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Cmaj7(add13)/B guitar shapes

Popular fretboard positions with fingering suggestions

Showing 8 of 51 playable shapes

About the chord

C major 7th add 13 / B (3rd inversion)

The C major 7th add 13 major 7th add 13 chord blends the major 7th with a 13th A, creating a lush, expansive sound. The major seventh B and 13th A produce a warm, jazzy color, perfect for sophisticated jazz and fusion compositions. With B in the bass, this voicing functions as the 3rd inversion of C major 7th add 13.

Root note: C
Bass note: B
Chord tones: 5
Playable shapes: 51

Chord tones

CEGBA

Notes & Intervals

Each note below shows how the chord is built from its root. This is the theory layer underneath the fretboard shapes.

C Unison (Root) 1

The root anchors the chord and defines its tonal center.

E Major Third 3

This note defines the chord's major quality and brings brightness to the sound.

G Perfect Fifth 5

The fifth reinforces stability and gives the chord its strong harmonic frame.

B Major Seventh 7

The major seventh adds a smooth, lush tension close to the root.

A Major Thirteenth 13

The thirteenth adds richness and a polished extended-chord color.

Related Articles

Articles that reference this chord and explain how to use it in your playing.