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C7(add13)/B♭ guitar shapes

Popular fretboard positions with fingering suggestions

Showing 8 of 38 playable shapes

About the chord

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

The C dominant 7th add 13 dominant 7th add 13 chord extends the dominant 7th with an added 13th A, creating a rich, layered harmony. The colorful combination of the minor seventh B♭ and 13th A enhances blues and jazz progressions with a soulful, sophisticated feel. With B♭ in the bass, this voicing functions as the 3rd inversion of C dominant 7th add 13.

Root note: C
Bass note: B♭
Chord tones: 5
Playable shapes: 38

Chord tones

CEGB♭A

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♭ Minor Seventh ♭7

The minor seventh adds bluesy or jazzy tension that wants to move onward.

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.