Play the 7♭13 chord on guitar
The 7♭13 chord is a dominant chord with a minor thirteenth (equivalent to a minor sixth). This alteration creates dark harmonic color.
Chord composition
| I | III | ♭VII | IX | ♭XIII |
| Root | Major third | Minor seventh | Major ninth | Minor thirteenth |
| 0 | 4 | 10 | 14 | 20 |
Formula 1 - 3 - ♭7 - 9 - ♭13
Theory
The 7♭13 chord generally omits the fifth and eleventh. C7♭13 = C-E-B♭-D-A♭. The minor thirteenth (20 semitones, or minor sixth at octave) creates dark color contrasting with the major third. Used in bebop and modern jazz for resolutions to minor chords.
Play the 7♭13 chord on the guitar
