From the shapes you know to the scale around them.

New here? Pick a diagram, grab the shape you know, and hammer on from one of the dashed circles into a chord tone. Hear the stank — that lean from the minor (or dom7) shape into the major. Play around a bit, then come back here for the full picture.

Right now you grab a barre chord and strum all six strings (or five for the A shape). It's correct — and a little boring. What you want is to mix chords with riffs and put a little stank in it: some dissonance, bluesy tones, notes that lean and resolve. This is the bridge from the shapes you already hold to the scale that lives around them.

What you already bring

You arrive knowing the E shape (root on the 6th string) and the A shape (root on the 5th), and your I–IV–V two ways — tonic on the 6th string and tonic on the 5th (the first two tabs). That's home base. (The tonic is your home note: play it and the song sounds finished, like it landed. The I chord is built on it; everything else pulls back toward it.)

You also know the A and E minor shapes cover the ii, iii and vi chords — but reaching for them sends you up and down the neck. And you've got the pentatonic under your fingers, plus a feel for the bluesy passing note between the 2 and the 3. You even half-know the ii, IV, V and vi all live in the tonic major scale, and that the IV and V major pentatonics keep you in it. Useful — but it all feels like a pile of one-off tricks. Correct, and boring.

The problem

For now, chord shapes and scales are two disjointed worlds. You hold a shape to strum, then jump somewhere else — a separate box, another part of the neck — to play a scale over it. It's hard to see the connection, and bouncing back and forth that fast is a dexterity leap you're not ready for.

The idea — the volvelle

Here's the simpler bridge that gets you a good way there without the leap. Picture a red sheet of paper with holes cut at exactly the tonic major-scale notes, laid over every diagram — that's a volvelle, and it's the namesake. Now the same tonic scale shows through every chord: ii, IV, V, vi all sit inside the one scale, the IV and V pentatonics live inside it, and you can finally see it — the same picture under every shape. The scale is just the shape, lit up, with the riff notes right around the chord you're already holding. That's the jump from correct-but-boring to nasty stank funk.

Reading a diagram

Start at the shape you know. Around it: the chord's major pentatonic (the × marks), the tonic's major scale as the punched red-paper windows, the T anchoring every diagram to the tonic (the I you resolve to), and the yellow index barre. Full key on the Legend tab.

The faint columns on either side are the gutters — the two frets flanking the chord shape. They're mostly ignored and certainly not all playable; they're there to orient you, so the chord reads as part of the fretboard instead of a lone shape floating in space, cut off from everything around it.

The key practice move

Watch the dotted circles — the ghosted color tones, ♭3 and ♭7, sitting right next to the chord tones. They are the move. The practice is to articulate to those notes: bend, slide, hammer-on or pull-off into a dotted circle from its neighbor. Knowing both major and minor shapes lets you flirt ♭3 ↔ 3; the m7 and dom7 shapes let you flirt ♭7 ↔ 8 (the octave / root). Don't pick one note — play between them. That leaning is the blues/rock voice.

The shapes & the extra chords

Three CAGED shapes are all you need: E, A and D — C and G stay on the shelf. The D shape (root on the 4th string) keeps the addendums VI, ♭VII and II compact and in position so you don't have to reach. Don't worry about “major vs minor” labels — VI, ♭VII and II are drawn as movable major shapes on purpose. And ♭VII earns its place as a common rock trick, far more at home in bluesy rock than the iii or the diminished vii°.