Minor Thirteenth chord - guitar
The minor thirteenth chord (m13 or min13) is the complete extension of the minor chord with all scale notes. It combines minor depth and harmonic richness.
Intervals
| Degree | I | ♭III | ♭VII | IX | XI | XIII |
|---|---|---|---|---|---|---|
| Interval | Root | Minor third | Minor seventh | Major ninth | Perfect eleventh | Major thirteenth |
| Semitones | 0 | 3 | 10 | 14 | 17 | 21 |
Formula 1 - ♭3 - ♭7 - 9 - 11 - 13
Theory
The m13 chord contains all minor extensions. D m13 = D-F-C-E-G-B (1-♭3-♭7-9-11-13). The fifth is omitted to avoid excessive density. This chord can contain up to six different notes, creating very rich harmonic texture used in modal jazz.
Examples
Example: Do Minor Thirteenth
Bass fret 3
Bass fret 8
