How to play Cm7: a minor 7th built on C, with 4 ways to play it, the notes, the keys it belongs to, and songs that use it.
The first diagram is a common voicing: played at the first few frets. An X above a string means don't play it; an O means play it open.
Frets from the low E string to the high E string: x 3 5 3 4 3 (x = not played).
| Note | C | Eb | G | Bb |
|---|---|---|---|---|
| Interval | R | b3 | 5 | b7 |
Cm7 is a minor 7th with C as its root. The full theoretical spelling is C, Eb, G, Bb. This voicing sounds every chord tone.
Cm7 is a diatonic chord (built from the key's own notes) in 3 major keys and 3 minor keys. The roman numeral is the chord's place in that key; tap a key for all of its chords.
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Cm7 is spelled C, Eb, G, Bb: the root, minor 3rd, 5th, flat 7th. The common guitar voicing sounds every one of them.
Frets from the low E string to the high E string: x 3 5 3 4 3 (x means the string is not played). Lay your index finger across the 3rd fret from the A string to the high E string (a barre). Add the B string at the 4th fret. Add the D string at the 5th fret. Strum from the A string down; the low E string stays silent.
Cm7 belongs to 6 keys: Bb major (the ii chord), Eb major (the vi chord), Ab major (the iii chord), C minor (the i), G minor (the iv) and F minor (the v).
