{"agentUsage":["Use bestPosition for the lowest-cost playable single-note guitar decision under the supplied hand window.","Use positions[] when the answer should compare alternate strings, frets, octaves, exact-pitch preservation, and theory membership.","Use bestPosition.fingering as explanatory fretting proof; primary musical state remains MIDI plus string/fret.","Use appUrl or compactUrl to open the chosen position in the workbench."],"appUrl":"https://www.agentpitchmap.com/?project=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","asciiTab":"e|----------------|\nB|1---------------|\nG|----------------|\nD|----------------|\nA|----------------|\nE|----------------|","canonicalState":{"layer":"scale","root":"C","scale":"major","chord":"major","selected":{"familyOnly":false,"midi":60,"note":"C4","pitchClass":"C"}},"compactUrl":"https://www.agentpitchmap.com/?zproject=eJyNVMGOmzAQvfMVls8hAkLQhttuWrWHqorUnlr14IVp4i3YrD2Omq7y75UBg9l1q9zgzfjNmzdjv0SEUNZ1tCSUHUFg3HGsTnHLOrqysTMozaWw8SzJijgp4uxuCLWs67g40pK8RIRYQNZgE-E3q7DPIYR2nAl5UKABbaxI419woREh155EQwMVQn2wZWeqnwqeDYjq8vEPLUlWpOtiMxK2vOa0JEUy_guJfdV9Tj3kM2sH1IGyQna2UD4Jw-q0b5jWizwtjapgUjJosdLTlQO40KhMC6Lv6Gg4MkWnqEY1uJL1yHVqFdnjQcknqHDus2KdpCVxvVQKGEJ9j7Pfuzjbfc2SMr8rt8l6myXfnFJe26xOao5cijiL07hIXLAFpo0C29v3UZlr6O3RMTlOpy5GF_3jS4o-pTaKWYIHYKh9i_7hXLh6tqgbmvGEa2QKbbXZMy_mfH8VQKhOgj-bfh-EVC1rqJdxnb5_eN0jtP1kdoUP8ha-8KNgaBS8sib3q-YzZ-RXGStQ5NgM60n2OXkEjcTZ4QaIRgztBMY3teqLE-PGv8_8KY5O5onTsfoP3TZAdx-k295Clwfo3m0CdNub1G0CdB-CdDepywJ0D0G63S10aWgUeYCucMuxXAnT1Tdc_fkxOYFUF-8hOUnVX6uWPUn3GtGGXUBZVFesAYcqKXH55vXR6fBcRDGhO6n8B8soLdXyClJpsDP4Cc7QWHRtDbtG1-gvv5JvwA","project":{"capo":0,"createdAt":"2026-09-29T20:48:50.520Z","id":"position-2-1-60","measures":[{"id":"position-measure-1","notes":[{"durationBeats":1,"fret":1,"id":"position-2-1","midi":60,"startBeat":0,"string":2,"technique":"normal"}],"tempo":96,"timeSignature":[4,4]}],"title":"C C4 best position","tuning":[{"string":6,"name":"E2","midi":40},{"string":5,"name":"A2","midi":45},{"string":4,"name":"D3","midi":50},{"string":3,"name":"G3","midi":55},{"string":2,"name":"B3","midi":59},{"string":1,"name":"E4","midi":64}],"updatedAt":"2026-09-29T20:48:50.520Z"},"apiVersion":"2026-07-02","bestPosition":{"cost":4,"efficiencyScore":96,"exactPitch":true,"fingering":{"handPositionFret":1,"maxFretReach":0,"maxSingleFretShift":0,"positionShiftCount":0,"steps":[{"finger":"index","fret":1,"handPositionFret":1,"reason":"route target","string":2,"targetIndex":0}],"suggestedPath":"1:S2:F1:index","warnings":[]},"fret":1,"frequencyHz":261.6256,"interval":"R","intervalName":"root","midi":60,"note":"C4","pitchClass":"C","proof":{"distanceFromHandStart":1,"distanceFromPreviousSelection":null,"handWindow":"frets 0-5","inHandWindow":true,"maxFret":12,"octaveDistance":0,"openString":false,"outsideTheory":false,"preservesExactPitch":true},"rank":1,"role":"inside-active-layer","sourceMidi":60,"string":2},"constraints":{"handEndFret":5,"handStartFret":0,"limit":12,"maxFret":12,"mode":"exact","position":"first"},"input":{"familyOnly":false,"input":"C4","midi":60,"note":"C4","pitchClass":"C"},"objective":"rank-single-note-guitar-positions-by-playability-and-pitch-intent","positions":[{"cost":4,"efficiencyScore":96,"exactPitch":true,"fingering":{"handPositionFret":1,"maxFretReach":0,"maxSingleFretShift":0,"positionShiftCount":0,"steps":[{"finger":"index","fret":1,"handPositionFret":1,"reason":"route target","string":2,"targetIndex":0}],"suggestedPath":"1:S2:F1:index","warnings":[]},"fret":1,"frequencyHz":261.6256,"interval":"R","intervalName":"root","midi":60,"note":"C4","pitchClass":"C","proof":{"distanceFromHandStart":1,"distanceFromPreviousSelection":null,"handWindow":"frets 0-5","inHandWindow":true,"maxFret":12,"octaveDistance":0,"openString":false,"outsideTheory":false,"preservesExactPitch":true},"rank":1,"role":"inside-active-layer","sourceMidi":60,"string":2},{"cost":20,"efficiencyScore":80,"exactPitch":true,"fingering":{"handPositionFret":4,"maxFretReach":0,"maxSingleFretShift":0,"positionShiftCount":0,"steps":[{"finger":"middle","fret":5,"handPositionFret":4,"reason":"route target","string":3,"targetIndex":0}],"suggestedPath":"1:S3:F5:middle","warnings":[]},"fret":5,"frequencyHz":261.6256,"interval":"R","intervalName":"root","midi":60,"note":"C4","pitchClass":"C","proof":{"distanceFromHandStart":5,"distanceFromPreviousSelection":null,"handWindow":"frets 0-5","inHandWindow":true,"maxFret":12,"octaveDistance":0,"openString":false,"outsideTheory":false,"preservesExactPitch":true},"rank":2,"role":"inside-active-layer","sourceMidi":60,"string":3},{"cost":120,"efficiencyScore":0,"exactPitch":true,"fingering":{"handPositionFret":9,"maxFretReach":0,"maxSingleFretShift":0,"positionShiftCount":0,"steps":[{"finger":"middle","fret":10,"handPositionFret":9,"reason":"route target","string":4,"targetIndex":0}],"suggestedPath":"1:S4:F10:middle","warnings":[]},"fret":10,"frequencyHz":261.6256,"interval":"R","intervalName":"root","midi":60,"note":"C4","pitchClass":"C","proof":{"distanceFromHandStart":10,"distanceFromPreviousSelection":null,"handWindow":"frets 0-5","inHandWindow":false,"maxFret":12,"octaveDistance":0,"openString":false,"outsideTheory":false,"preservesExactPitch":true},"rank":3,"role":"inside-active-layer","sourceMidi":60,"string":4}],"tuning":"standard-6-string"}