Chord · 13ths
Cm7/13 — C Minor 7th / 13th
Cm7/13 is the C minor 7th / 13th chord. It is built on the root C with minor 3rd (E♭), perfect 5th (G), minor 7th (B♭) and major 13th (A) above it — the formula 1 ♭3 5 ♭7 13, sounding the notes C E♭ G B♭ A. On the piano it sits at C (octave 4) and above in the library's voicing; the same 5 notes in any octave are still Cm7/13.
- Root
- C
- Quality
- Minor 7th / 13th
- Formula
- 1 ♭3 5 ♭7 13
- Notes
- C E♭ G B♭ A
On the keyboard
The notes of Cm7/13
| Degree | Note | Interval from the root | Pitch |
|---|---|---|---|
| 1 | C | root | C4 |
| ♭3 | E♭ | minor 3rd | E♭4 |
| 5 | G | perfect 5th | G4 |
| ♭7 | B♭ | minor 7th | B♭4 |
| 13 | A | major 13th | A5 |
Other 13ths on C
Minor 7th / 13th chords on every root
Part of the chord reference. See also the scales and the keys.