C Minor Pentatonic
Five notes, and not one open string to lean on.
C minor pentatonic is C, E♭, F, G and B♭. It is the scale that shows whether you know the shapes or just know where your fingers usually go: in C nothing falls on an open string, so every note has to be fretted and every shape moved on purpose.
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The same five notes, none of them free
The formula never changes: 1 ♭3 4 5 ♭7. What changes in C is the geography. The first box sits at the 8th fret, in the middle of the neck, with no open strings anywhere near it — so the shape is the only thing holding you up.
- C E♭ F G B♭ — the 2nd and ♭6 of C minor are gone.
- Box 1 starts at the 8th fret, root on the low E string.
- Nothing rings open, so sloppy fretting has nowhere to hide.
The key horn players chose, and guitarists inherited
A great deal of funk, soul and jazz sits in C minor because it suits brass and piano. That is why guitarists end up here: not because the neck invites it, but because the band is already in C. Learning the shape at the 8th fret is the price of sitting in.
- Common in funk, soul and jazz horn charts.
- Box 1 at the 8th fret, box 2 at the 10th.
- Shift the whole shape down three frets and you are in A minor.
Where C minor pentatonic lives
Play it over a Cm vamp, a C minor blues, or anything moving between Cm, Fm and G7. Because there are no open strings, the same fingering slides up or down to any other key without a single change.
- Fits Cm, Cm7 and a C minor blues.
- Add G♭ and it becomes the C blues scale.
- The shape is fully moveable — learn it once, use it twelve times.
C minor pentatonic is the shape test: no open strings, no shortcuts, and the fingering you learn here works in all twelve keys.
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