Cb Minor 13th
Notes:Cb – Eb – G – Bb – D – F – A
Formula:R-m3-P5-m7-M9-P11-M13
Intervals:P1-m3-P5-m7-M9-P11-M13
Scale Degrees:1-b3-5-b7-9-11-13
Introduction
The Cb Minor 13th piano chord (Cbm13) consists of the notes Cb, Eb, G, Bb, D, F, A. It is a minor 11th chord with an added major 13th, giving it a dark and sophisticated character often used in jazz ballads and modal jazz. Formula: R-m3-P5-m7-M9-P11-M13 | Scale degrees: 1-b3-5-b7-9-11-13.
Notes
Cb Minor 13th Inversions
| Position | Notes |
|---|---|
| Root Position | Cb4 – Eb4 – G4 – Bb4 – A5 – D5 – F5 |
| 1st Inversion | G4 – Bb4 – Cb4 – D5 – A5 – F5 – Eb5 |
| 2nd Inversion | Bb4 – Cb4 – D5 – Eb5 – A5 – F5 – G5 |
Key Signature
The key of Cb Minor 13th has Key signature data not available.
Theory: Intervals
Formula: R-m3-P5-m7-M9-P11-M13
Intervals: P1-m3-P5-m7-M9-P11-M13
The Cb Minor 13th is built by stacking intervals from the root note. The formula R-m3-P5-m7-M9-P11-M13 describes the scale degrees used. The intervals P1-m3-P5-m7-M9-P11-M13 show the distance between each note in the chord.
Cb Minor 13th — Frequently Asked Questions
What notes are in the Cb Minor 13th chord?
Enharmonic equivalent of Bm13. Same notes: Cb/B, Ebb/D, Bbb/A, Db/C#, Ab/G#.
How does Cbm13 differ from Cb13?
Cbm13 has minor third. Cb13 has major third.
How is Cbm13 used in music?
Enharmonic of Bm13. Musicians use Bm13 in practice.
What songs use Minor 13th chords?
Modal jazz, neo-soul. Sound identical regardless of spelling.
How does Cbm13 differ from Cbm11?
Adds the thirteenth for brightness.
Do I need to play all seven notes?
No — practical voicing drops fifth and eleventh.
Practice Tips
- Cbm13 and Bm13 are enharmonic.
- Translate to Bm13 for easier reading.
- Keyboard notes identical.
- Understanding both spellings builds fluency.
- The thirteenth brightens the dark minor.
- Drop fifth and eleventh.