Chord reference
Minor seventh
1 – ♭3 – 5 – ♭7 · example: Cm7 = C – E♭ – G – B♭
A minor triad with a minor seventh. The standard minor chord in jazz and pop harmony.
Written as a formula it is 1 – ♭3 – 5 – ♭7: the degrees of the major scale it keeps, with any that are altered marked. On C that gives Cm7 = C, E♭, G, B♭.
How it is built
- B♭major
- Gthird
- E♭minor
- Croot
The intervals above the root
| Chord tone | Interval above the root | Semitones | Note in Cm7 |
|---|---|---|---|
| 1 | Perfect unison | 0 | C |
| ♭3 | Minor third | 3 | E♭ |
| 5 | Perfect fifth | 7 | G |
| ♭7 | Minor seventh | 10 | B♭ |
Inversions
The same notes can be stacked in any vertical order. The chord keeps its name; what changes is which note is in the bass. See chord inversions for why that matters.
| Position | Notes | Written as |
|---|---|---|
| Root position | C – E♭ – G – B♭ | Cm7 |
| First inversion | E♭ – G – B♭ – C | Cm7/E♭ |
| Second inversion | G – B♭ – C – E♭ | Cm7/G |
| Third inversion | B♭ – C – E♭ – G | Cm7/B♭ |
This chord on every root
| Root | Symbol | Notes |
|---|---|---|
| C | Cm7 | C – E♭ – G – B♭ |
| D♭ | D♭m7 | D♭ – F♭ – A♭ – C♭ |
| D | Dm7 | D – F – A – C |
| E♭ | E♭m7 | E♭ – G♭ – B♭ – D♭ |
| E | Em7 | E – G – B – D |
| F | Fm7 | F – A♭ – C – E♭ |
| F♯ | F♯m7 | F♯ – A – C♯ – E |
| G | Gm7 | G – B♭ – D – F |
| A♭ | A♭m7 | A♭ – C♭ – E♭ – G♭ |
| A | Am7 | A – C – E – G |
| B♭ | B♭m7 | B♭ – D♭ – F – A♭ |
| B | Bm7 | B – D – F♯ – A |