Cmin/maj7(add13)/B guitar shapes

Popular fretboard positions with fingering suggestions

Showing 8 of 21 playable shapes

About the chord

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

The C minor major 7th add 13 minor major 7th add 13 chord mixes the haunting minor major 7th with a 13th A, creating a complex, bittersweet sound. The tension between the major seventh B and 13th A adds a dramatic, cinematic quality. With B in the bass, this voicing functions as the 3rd inversion of C minor major 7th add 13.

Root note: C
Bass note: B
Chord tones: 5
Playable shapes: 21

Chord tones

CE♭GBA

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♭ Minor Third ♭3

This note supplies the minor color and gives the chord its darker emotional pull.

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.