Chord & FretCm · Guitar
Turn off the living-room light without moving a thing. Same furniture; different mood. That's exactly what Cm does to C major. Press play down there and watch the light go out.
Listen first
What you just heard
The trick is smaller than it sounds. Two of the three notes didn't move: C and G stayed put. Only the middle one dropped — a half step, the smallest distance in music — and became D#. Go back to the audio and catch the arpeggio note by note and stop at the second note. That's the one. Half a step separates a sunny day from a Monday morning.
Now it's your hands' turn
On the guitar, six strings give the chord room to breathe — some positions use them all, others ask you to mute the lowest ones. So the first position below is your way in — the position marked with ⭐ is the easiest to play. And do the exercise that's worth a whole lesson: C major, then Cm, then major again. Back and forth ten times, slowly. Your ear learns the difference before your brain does.
2 more shapes of this chord on the neck
That's over 200,000 voicings and inversions in Chord & Fret Pro, ready to play.
Precision Tuner — Before you play these shapes, get in tune — chromatic tuner and reference tones · try it in Chord & Fret
Once the first shape comes out without thinking, the positions below are waiting. That's where Cm lives in songs that roam the neck.
Left-handed? Mirror's right here
What is Cm?
Cm: C minor. The notes are C, Eb, G (fixed-do: Do, Mi♭, Sol) — the degrees 1–b3–5.
Where this chord lives
In real music, Cm works almost always as i in C minor, v in F minor, iv in G minor. In pop everywhere it tends to be the famous vi — the chord the chorus runs to when it wants to get serious without changing key. You've heard it a thousand times; now you'll start noticing it.
Transpose & Capo — Need it in another key? Move the whole chart and find the easiest capo · use it in Chord & Fret
Identify Chord — Found a shape on your own fretboard? The app names it back · see it in Chord & Fret
Real songs pass through here: Pagode · ciclo do pagode · Pagode · subida cromática · Samba · ciclo de quintas · Samba · ii-V-I
Where it tends to go
Treating Cm as the home chord (I) of its key, it usually moves toward the pre-dominant (Dm / F) or the dominant (G / B°) — and the dominant pulls back home. It's a tendency, not a law.
Every shape of Cm lives in Chord & Fret Pro — 4 instruments, 16 tunings, 41 chord types and 57 scales, in every key. Start free. Unlock everything with Pro. 100% offline. No ads, no trackers.
When you want to go further
To solo over it, 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 Phrygian (C Db Eb F G Ab Bb · 1 b2 b3 4 5 b6 b7: the minor with a lowered second — a Spanish seasoning) work in full. The swaps below are the chord's cousins: different color, same job.
C Dorian
4 more scale positions on the neck
Chord & Fret Pro maps over 35,000 mapped scale shapes — hear and play them all.
The same C Dorian in its main shapes along the neck — pick whichever position sits under your hand. The rings mark the guide notes (the 3rd and 7th) that carry this chord's color.
Scale — The whole scale on the neck — in boxes or 3 notes per string; on the major modes, on guitar in standard tuning, with the CAGED forms named · use it in Chord & Fret
Improvising in context
To improvise over Cm as home, the C Aeolian scale covers it whole — 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:
- Ebmaj7 — Relative major (♭III)
- F7 — It's the ii; resolves to this V
Reharmonize — Want richer substitutions? Reharmonize the progression in a tap · open in Chord & Fret
This chord has a calmer sibling: Cm7. Same seriousness, relaxed shoulders — worth the visit.