{"apiVersion":"2026-06-28","circle":{"currentRoot":"C","neighbors":[{"direction":"flatward","fifthSteps":-1,"pitchClass":"F","role":"subdominant"},{"direction":"center","fifthSteps":0,"pitchClass":"C","role":"tonic"},{"direction":"sharpward","fifthSteps":1,"pitchClass":"G","role":"dominant"}],"scaleCenterOfGravity":2,"scalePitchClassesByFifths":["F","C","G","D","A","E","B"],"scalarColor":"sharpward"},"current":{"chord":"major","layer":"scale","root":"C","scale":"major","selectedNote":"G2"},"moves":[{"color":"brighten","description":"Move one step sharpward on the circle for dominant tension, then resolve back to the current root.","guitarAnchors":[{"fret":3,"intervalFromCurrentRoot":"5","note":"G2","pitchClass":"G","string":6},{"fret":5,"intervalFromCurrentRoot":"5","note":"G3","pitchClass":"G","string":4},{"fret":0,"intervalFromCurrentRoot":"5","note":"G3","pitchClass":"G","string":3},{"fret":3,"intervalFromCurrentRoot":"5","note":"G4","pitchClass":"G","string":1}],"id":"dominant-pull","relation":"dominant","sharedPitchClasses":["G"],"targetChord":"dominant7","targetRoot":"G","title":"Push to G7"},{"color":"darken","description":"Move one step flatward for plagal/subdominant color that usually keeps the guitar hand near the same region.","guitarAnchors":[{"fret":3,"intervalFromCurrentRoot":"R","note":"C3","pitchClass":"C","string":5},{"fret":5,"intervalFromCurrentRoot":"R","note":"C4","pitchClass":"C","string":3},{"fret":1,"intervalFromCurrentRoot":"R","note":"C4","pitchClass":"C","string":2}],"id":"subdominant-shade","relation":"subdominant","sharedPitchClasses":["C"],"targetChord":"major","targetRoot":"F","title":"Shade to F"},{"color":"center","description":"Use the relative minor to keep the key signature while changing affect and chord identity.","guitarAnchors":[{"fret":0,"intervalFromCurrentRoot":"3","note":"E2","pitchClass":"E","string":6},{"fret":3,"intervalFromCurrentRoot":"R","note":"C3","pitchClass":"C","string":5},{"fret":7,"intervalFromCurrentRoot":"3","note":"E3","pitchClass":"E","string":5},{"fret":2,"intervalFromCurrentRoot":"3","note":"E3","pitchClass":"E","string":4},{"fret":5,"intervalFromCurrentRoot":"R","note":"C4","pitchClass":"C","string":3},{"fret":1,"intervalFromCurrentRoot":"R","note":"C4","pitchClass":"C","string":2}],"id":"relative-minor","relation":"relative-minor","sharedPitchClasses":["C","E"],"targetChord":"minor","targetRoot":"A","title":"Pivot to Am"},{"color":"surprise","description":"Use a chromatic-mediant move for film/pop color: the key relation is distant, but common tones keep it intelligible.","guitarAnchors":[{"fret":3,"intervalFromCurrentRoot":"5","note":"G2","pitchClass":"G","string":6},{"fret":5,"intervalFromCurrentRoot":"5","note":"G3","pitchClass":"G","string":4},{"fret":0,"intervalFromCurrentRoot":"5","note":"G3","pitchClass":"G","string":3},{"fret":3,"intervalFromCurrentRoot":"5","note":"G4","pitchClass":"G","string":1}],"id":"flat-mediant","relation":"chromatic-mediant","sharedPitchClasses":["G"],"targetChord":"major","targetRoot":"D#","title":"Lift to D#"},{"color":"surprise","description":"Try the flat-six major region for a darker common-tone color that guitarists can often anchor physically.","guitarAnchors":[{"fret":3,"intervalFromCurrentRoot":"R","note":"C3","pitchClass":"C","string":5},{"fret":5,"intervalFromCurrentRoot":"R","note":"C4","pitchClass":"C","string":3},{"fret":1,"intervalFromCurrentRoot":"R","note":"C4","pitchClass":"C","string":2}],"id":"flat-six","relation":"chromatic-mediant","sharedPitchClasses":["C"],"targetChord":"major","targetRoot":"G#","title":"Drop into G#"},{"color":"center","description":"For fifth-related chords, let the third and seventh trade roles; this is the guide-tone path behind smooth ii-V-I and V-I writing.","guitarAnchors":[{"fret":0,"intervalFromCurrentRoot":"3","note":"E2","pitchClass":"E","string":6},{"fret":3,"intervalFromCurrentRoot":"5","note":"G2","pitchClass":"G","string":6},{"fret":3,"intervalFromCurrentRoot":"R","note":"C3","pitchClass":"C","string":5},{"fret":7,"intervalFromCurrentRoot":"3","note":"E3","pitchClass":"E","string":5},{"fret":2,"intervalFromCurrentRoot":"3","note":"E3","pitchClass":"E","string":4},{"fret":5,"intervalFromCurrentRoot":"5","note":"G3","pitchClass":"G","string":4}],"id":"guide-tone","relation":"guide-tone-resolution","sharedPitchClasses":["C","E","G"],"targetChord":"major7","targetRoot":"C","title":"Resolve guide tones to Cmaj7"}],"researchBasis":["Circle/line-of-fifths regions model scale color and scalar shift.","Common-tone and parsimonious voice-leading networks explain many guitar-friendly harmonic moves.","Guitar writing is constrained by fretboard gesture and left-hand efficiency.","Third-seventh guide tones are a compact way to connect fifth-related chords."]}