Cm7 · Cavaquinho

End of the workday, headphones on, the bus moving slowly — and, strangely, everything's fine. That state of mind has a chord symbol: Cm7. Tap the player below and recognize it.

Listen first

What you just heard

The recipe: take the CmCmCmCm you know — C, D#, G — and add A# on top. Go back to the audio and catch the arpeggio note by note and wait for the fourth note. It doesn't make the chord happy; it takes the weight off its shoulders. That's why bossa nova, neo-soul and the whole of R&B live here.

Now it's your hands' turn

On the cavaquinho, four steel strings tuned D–G–B–D pack the chord into a small, bright space — every finger counts. So start with the first position below — the position marked with ⭐ is the easiest to play. Four notes sharing the same space, so there's one rule: every single one has to ring. Go note by note, like checking signatures. A muffled chord here is a double waste.

Precision Tuner — Before you play these shapes, get in tune — chromatic tuner and reference tones · open in Chord & Fret

And keep the mid-neck positions in your pocket: in modern comping they're worth more than the open one, because they leave room for a voice on top. You'll get it the first time you play behind a singer.

Every shape of Cm7 lives in Chord & Fret Pro — 4 instruments, 16 tunings, 41 chord types and 57 scales, in every key. Start free. Unlock everything with Pro. Plays offline. Works offline, no account needed.

What is Cm7?

Cm7: C minor with Seventh. The notes are C, Eb, G, Bb (fixed-do: Do, Mi♭, Sol, Si♭) — the degrees 1–b3–5–b7.

Where this chord lives

Here's the backstage secret: Cm7's classic job is being the ii — the first piece of the ii–V–I, the most-used sentence in jazz and everything jazz ever touched. Across keys you'll find it as i7 in C minor, v7 in F minor, iv7 in G minor. In other words: this chord is almost never standing still; it's setting something up.

Transpose & Capo — Need it in another key? Move the whole chart and find the easiest capo · try it in Chord & Fret

Identify Chord — Found a shape on your own fretboard? The app names it back · use it in Chord & Fret

Where it tends to go

Treating Cm7 as the home chord (I) of its key, it tends to go toward the pre-dominant (Dm / F) or the dominant (G / B°) — and the dominant pulls back home. It's a tendency, not a law.

When you want to go further

For improvising, C Dorian (C D Eb F G A Bb · 1 2 b3 4 5 6 b7: the minor scale with a major sixth — the minor that smirks); C Aeolian (C D Eb F G Ab Bb · 1 2 b3 4 5 b6 b7: the natural minor, the major scale's relative sibling); C Dorian ♭2 (C Db Eb F G A Bb · 1 b2 b3 4 5 6 b7: a dorian with a lowered second) contain the whole chord. And the jazz shapes at the bottom are these same four notes rearranged across the neck: same chord, arranger's tailoring.

Scale — The whole scale on the neck — in boxes or three notes per string, with an exercise and a tempo ramp · open in Chord & Fret

Improvising in context

To improvise over Cm7 as home, the C Aeolian scale fits entirely — it contains every note of the chord. And when the dominant (G) pulls back, the leading tone B is the note that wants to resolve home.

Swaps that work:

• Ebmaj7Ebmaj7Ebmaj7Ebmaj7 — Relative major (♭III)
• F7F7F7F7 — It's the ii; resolves to this V

Reharmonize — Want richer substitutions? Reharmonize the progression in a tap · see it in Chord & Fret

The thing this chord is preparing has a name: F7. Chain the two and there it is — half a ii–V in your pocket, jazz's favorite sentence.

Updated August 5, 2026