Construction
A minor 13 chord is an extended chord that builds on a minor 7th chord by adding extra color tones.
Here’s how it’s constructed:
- Root (1) – the starting note
- Minor 3rd (♭3) – defines the chord as minor
- Perfect 5th (5) – stabilizes the chord (sometimes omitted in voicings)
- Minor 7th (♭7) – makes it a minor 7 chord
- 9th (9) – adds brightness and openness
- 11th (11) – often implied, sometimes omitted in jazz voicings
- 13th (13) – the key extension, giving the chord its name
So the full spelling is:
1 – ♭3 – 5 – ♭7 – 9 – 11 – 13
Example: C minor 13 (C–E♭–G–B♭–D–F–A)
- Root: C
- ♭3: E♭
- 5: G
- ♭7: B♭
- 9: D
- 11: F
- 13: A
But in practice, jazz musicians rarely play all the notes at once (it would sound muddy).
Instead, they choose the most important tones (often root, ♭3, ♭7, 9, and 13).
| C Minor 13th chord |
C |
E |
G |
B |
D |
F |
A |
| Chord tones |
1 |
b3 |
5 |
b7 |
9 |
11 |
13 |
You can think of a minor 13 chord as :
Function:
Minor 13 chords are commonly used in jazz, R&B, soul, and funk.
They often replace a plain minor 7 chord to add more richness.
For example, instead of Am7, a player might use Am13 for a fuller sound.
Notation and Chord Symbols
Minor 13 chords can be written m13, min13 or -13