Play the major thirteenth chord on piano
The major thirteenth chord (maj13 or Δ13) combines a maj7 chord with ninth, eleventh and thirteenth extensions. It creates an extremely rich and stable sound.
Chord composition
| I | III | VII | IX | XIII |
| Root | Major third | Major seventh | Major ninth | Major thirteenth |
| 0 | 4 | 11 | 14 | 21 |
Formula 1 - 3 - 7 - 9 - 13
Theory
The maj13 chord generally omits the fifth and eleventh. C maj13 = C-E-B-D-A (1-3-7-9-13). Entirely consonant, it can serve as a final tonic chord. It's the maximum extension of the major chord, often used as rich harmonic color in modern jazz.
Play the major thirteenth chord on the piano
