{ "schemaVersion": "praxis-capabilities/v1", "app": "staff-spot", "version": "0.3.0", "privacy": { "accountRequired": false, "localOnly": true, "automaticSubmission": false, "analytics": false, "cloudProgress": false }, "configurableSettings": [ "direction", "clef", "range", "steps", "accidentals", "responseRule", "questionCount", "seed" ], "lockableSettings": [ "direction", "clef", "range", "steps", "accidentals", "responseRule", "questionCount", "threshold", "seed" ], "teachingSequences": { "home": "https://staffspot.backwerdrhythmshop.com/sequences", "sequenceCount": 9, "levelCount": 36, "progressStorage": "local-browser-only", "progressFields": [ "levelId", "bestScore", "questionCount", "passed", "attempts", "completionDate" ], "gates": "reported, never enforced — a level states its threshold and the result card says whether it was met; no level is held shut and nothing is transmitted", "sequences": [ { "id": "treble-foundations", "title": "Treble Foundations", "objective": "Find the lines and spaces of the treble staff, then name any note on it.", "clef": "treble", "url": "https://staffspot.backwerdrhythmshop.com/sequences?sequence=treble-foundations", "levels": [ { "id": "treble-foundations-1", "order": 1, "title": "Treble Spaces", "questionCount": 8, "threshold": 6, "url": "https://staffspot.backwerdrhythmshop.com/?assignment=treble-spaces&direction=staff-to-note&clef=treble&range=staff&steps=spaces&accidentals=naturals&responseRule=letter&questionCount=8&threshold=6&seed=ss-treble-spaces&sequence=treble-foundations&level=treble-foundations-1" }, { "id": "treble-foundations-2", "order": 2, "title": "Treble Lines", "questionCount": 8, "threshold": 6, "url": "https://staffspot.backwerdrhythmshop.com/?assignment=treble-lines&direction=staff-to-note&clef=treble&range=staff&steps=lines&accidentals=naturals&responseRule=letter&questionCount=8&threshold=6&seed=ss-treble-lines&sequence=treble-foundations&level=treble-foundations-2" }, { "id": "treble-foundations-3", "order": 3, "title": "Treble Whole Staff", "questionCount": 10, "threshold": 8, "url": "https://staffspot.backwerdrhythmshop.com/?assignment=treble-whole-staff&direction=staff-to-note&clef=treble&range=staff&steps=all&accidentals=naturals&responseRule=letter&questionCount=10&threshold=8&seed=ss-treble-whole-staff&sequence=treble-foundations&level=treble-foundations-3" }, { "id": "treble-foundations-4", "order": 4, "title": "Treble Staff → Note Check", "questionCount": 12, "threshold": 10, "url": "https://staffspot.backwerdrhythmshop.com/?assignment=treble-staff-check&direction=staff-to-note&clef=treble&range=staff&steps=all&accidentals=naturals&responseRule=letter&questionCount=12&threshold=10&seed=ss-treble-staff-check&sequence=treble-foundations&level=treble-foundations-4" } ] }, { "id": "treble-reading", "title": "Treble Reading", "objective": "Read treble naturals quickly, then add ledger lines and octave numbers.", "clef": "treble", "url": "https://staffspot.backwerdrhythmshop.com/sequences?sequence=treble-reading", "levels": [ { "id": "treble-reading-1", "order": 1, "title": "Staff-only naturals", "questionCount": 12, "threshold": 10, "url": "https://staffspot.backwerdrhythmshop.com/?assignment=treble-read-staff&direction=staff-to-note&clef=treble&range=staff&steps=all&accidentals=naturals&responseRule=letter&questionCount=12&threshold=10&seed=ss-treble-read-staff&sequence=treble-reading&level=treble-reading-1" }, { "id": "treble-reading-2", "order": 2, "title": "One-ledger-line naturals", "questionCount": 12, "threshold": 10, "url": "https://staffspot.backwerdrhythmshop.com/?assignment=treble-read-ledger-one&direction=staff-to-note&clef=treble&range=ledger-one&steps=all&accidentals=naturals&responseRule=letter&questionCount=12&threshold=10&seed=ss-treble-read-ledger-one&sequence=treble-reading&level=treble-reading-2" }, { "id": "treble-reading-3", "order": 3, "title": "Register-aware reading", "questionCount": 12, "threshold": 10, "url": "https://staffspot.backwerdrhythmshop.com/?assignment=treble-read-register&direction=staff-to-note&clef=treble&range=ledger-one&steps=all&accidentals=naturals&responseRule=scientific&questionCount=12&threshold=10&seed=ss-treble-read-register&sequence=treble-reading&level=treble-reading-3" }, { "id": "treble-reading-4", "order": 4, "title": "Treble reading knowledge check", "questionCount": 16, "threshold": 13, "url": "https://staffspot.backwerdrhythmshop.com/?assignment=treble-read-check&direction=staff-to-note&clef=treble&range=ledger-one&steps=all&accidentals=naturals&responseRule=scientific&questionCount=16&threshold=13&seed=ss-treble-read-check&sequence=treble-reading&level=treble-reading-4" } ] }, { "id": "treble-placement", "title": "Treble Note Placement", "objective": "Build notes on the treble staff from their written names.", "clef": "treble", "url": "https://staffspot.backwerdrhythmshop.com/sequences?sequence=treble-placement", "levels": [ { "id": "treble-placement-1", "order": 1, "title": "Place notes in spaces", "questionCount": 8, "threshold": 6, "url": "https://staffspot.backwerdrhythmshop.com/?assignment=treble-place-spaces&direction=note-to-staff&clef=treble&range=staff&steps=spaces&accidentals=naturals&responseRule=letter&questionCount=8&threshold=6&seed=ss-treble-place-spaces&sequence=treble-placement&level=treble-placement-1" }, { "id": "treble-placement-2", "order": 2, "title": "Place notes on lines", "questionCount": 8, "threshold": 6, "url": "https://staffspot.backwerdrhythmshop.com/?assignment=treble-place-lines&direction=note-to-staff&clef=treble&range=staff&steps=lines&accidentals=naturals&responseRule=letter&questionCount=8&threshold=6&seed=ss-treble-place-lines&sequence=treble-placement&level=treble-placement-2" }, { "id": "treble-placement-3", "order": 3, "title": "Place notes across the staff", "questionCount": 10, "threshold": 8, "url": "https://staffspot.backwerdrhythmshop.com/?assignment=treble-place-staff&direction=note-to-staff&clef=treble&range=staff&steps=all&accidentals=naturals&responseRule=letter&questionCount=10&threshold=8&seed=ss-treble-place-staff&sequence=treble-placement&level=treble-placement-3" }, { "id": "treble-placement-4", "order": 4, "title": "Treble placement knowledge check", "questionCount": 12, "threshold": 10, "url": "https://staffspot.backwerdrhythmshop.com/?assignment=treble-place-check&direction=note-to-staff&clef=treble&range=staff&steps=all&accidentals=naturals&responseRule=letter&questionCount=12&threshold=10&seed=ss-treble-place-check&sequence=treble-placement&level=treble-placement-4" } ] }, { "id": "treble-ledger", "title": "Treble Ledger Notes", "objective": "Work outward from middle C into the ledger lines above and below the treble staff.", "clef": "treble", "url": "https://staffspot.backwerdrhythmshop.com/sequences?sequence=treble-ledger", "levels": [ { "id": "treble-ledger-1", "order": 1, "title": "Middle C and nearby notes", "questionCount": 8, "threshold": 6, "url": "https://staffspot.backwerdrhythmshop.com/?assignment=treble-ledger-middle-c&direction=staff-to-note&clef=treble&range=extended&steps=-4%2C-3%2C-2%2C-1%2C0&accidentals=naturals&responseRule=letter&questionCount=8&threshold=6&seed=ss-treble-ledger-middle-c&sequence=treble-ledger&level=treble-ledger-1" }, { "id": "treble-ledger-2", "order": 2, "title": "One ledger line", "questionCount": 10, "threshold": 8, "url": "https://staffspot.backwerdrhythmshop.com/?assignment=treble-ledger-one&direction=mixed&clef=treble&range=ledger-one&steps=all&accidentals=naturals&responseRule=letter&questionCount=10&threshold=8&seed=ss-treble-ledger-one&sequence=treble-ledger&level=treble-ledger-2" }, { "id": "treble-ledger-3", "order": 3, "title": "Extended ledger range", "questionCount": 12, "threshold": 10, "url": "https://staffspot.backwerdrhythmshop.com/?assignment=treble-ledger-extended&direction=mixed&clef=treble&range=extended&steps=all&accidentals=naturals&responseRule=scientific&questionCount=12&threshold=10&seed=ss-treble-ledger-extended&sequence=treble-ledger&level=treble-ledger-3" }, { "id": "treble-ledger-4", "order": 4, "title": "Ledger-note knowledge check", "questionCount": 16, "threshold": 13, "url": "https://staffspot.backwerdrhythmshop.com/?assignment=treble-ledger-check&direction=mixed&clef=treble&range=extended&steps=all&accidentals=naturals&responseRule=scientific&questionCount=16&threshold=13&seed=ss-treble-ledger-check&sequence=treble-ledger&level=treble-ledger-4" } ] }, { "id": "treble-accidentals", "title": "Treble Accidentals", "objective": "Read and place sharps and flats with exact written spelling.", "clef": "treble", "url": "https://staffspot.backwerdrhythmshop.com/sequences?sequence=treble-accidentals", "levels": [ { "id": "treble-accidentals-1", "order": 1, "title": "Naturals and sharps", "questionCount": 10, "threshold": 8, "url": "https://staffspot.backwerdrhythmshop.com/?assignment=treble-sharps&direction=mixed&clef=treble&range=staff&steps=all&accidentals=sharps&responseRule=spelling&questionCount=10&threshold=8&seed=ss-treble-sharps&sequence=treble-accidentals&level=treble-accidentals-1" }, { "id": "treble-accidentals-2", "order": 2, "title": "Naturals and flats", "questionCount": 10, "threshold": 8, "url": "https://staffspot.backwerdrhythmshop.com/?assignment=treble-flats&direction=mixed&clef=treble&range=staff&steps=all&accidentals=flats&responseRule=spelling&questionCount=10&threshold=8&seed=ss-treble-flats&sequence=treble-accidentals&level=treble-accidentals-2" }, { "id": "treble-accidentals-3", "order": 3, "title": "Mixed accidentals", "questionCount": 12, "threshold": 10, "url": "https://staffspot.backwerdrhythmshop.com/?assignment=treble-mixed-accidentals&direction=mixed&clef=treble&range=staff&steps=all&accidentals=mixed&responseRule=spelling&questionCount=12&threshold=10&seed=ss-treble-mixed-accidentals&sequence=treble-accidentals&level=treble-accidentals-3" }, { "id": "treble-accidentals-4", "order": 4, "title": "Exact-spelling knowledge check", "questionCount": 16, "threshold": 13, "url": "https://staffspot.backwerdrhythmshop.com/?assignment=treble-spelling-check&direction=mixed&clef=treble&range=ledger-one&steps=all&accidentals=mixed&responseRule=spelling&questionCount=16&threshold=13&seed=ss-treble-spelling-check&sequence=treble-accidentals&level=treble-accidentals-4" } ] }, { "id": "bass-foundations", "title": "Bass Foundations", "objective": "Find the lines and spaces of the bass staff, then name any note on it.", "clef": "bass", "url": "https://staffspot.backwerdrhythmshop.com/sequences?sequence=bass-foundations", "levels": [ { "id": "bass-foundations-1", "order": 1, "title": "Bass spaces", "questionCount": 8, "threshold": 6, "url": "https://staffspot.backwerdrhythmshop.com/?assignment=bass-spaces&direction=staff-to-note&clef=bass&range=staff&steps=spaces&accidentals=naturals&responseRule=letter&questionCount=8&threshold=6&seed=ss-bass-spaces&sequence=bass-foundations&level=bass-foundations-1" }, { "id": "bass-foundations-2", "order": 2, "title": "Bass lines", "questionCount": 8, "threshold": 6, "url": "https://staffspot.backwerdrhythmshop.com/?assignment=bass-lines&direction=staff-to-note&clef=bass&range=staff&steps=lines&accidentals=naturals&responseRule=letter&questionCount=8&threshold=6&seed=ss-bass-lines&sequence=bass-foundations&level=bass-foundations-2" }, { "id": "bass-foundations-3", "order": 3, "title": "Bass whole staff", "questionCount": 10, "threshold": 8, "url": "https://staffspot.backwerdrhythmshop.com/?assignment=bass-whole-staff&direction=staff-to-note&clef=bass&range=staff&steps=all&accidentals=naturals&responseRule=letter&questionCount=10&threshold=8&seed=ss-bass-whole-staff&sequence=bass-foundations&level=bass-foundations-3" }, { "id": "bass-foundations-4", "order": 4, "title": "Bass Staff → Note Check", "questionCount": 12, "threshold": 10, "url": "https://staffspot.backwerdrhythmshop.com/?assignment=bass-staff-check&direction=staff-to-note&clef=bass&range=staff&steps=all&accidentals=naturals&responseRule=letter&questionCount=12&threshold=10&seed=ss-bass-staff-check&sequence=bass-foundations&level=bass-foundations-4" } ] }, { "id": "bass-reading", "title": "Bass Reading", "objective": "Read bass naturals quickly, then add ledger lines and octave numbers.", "clef": "bass", "url": "https://staffspot.backwerdrhythmshop.com/sequences?sequence=bass-reading", "levels": [ { "id": "bass-reading-1", "order": 1, "title": "Staff-only naturals", "questionCount": 12, "threshold": 10, "url": "https://staffspot.backwerdrhythmshop.com/?assignment=bass-read-staff&direction=staff-to-note&clef=bass&range=staff&steps=all&accidentals=naturals&responseRule=letter&questionCount=12&threshold=10&seed=ss-bass-read-staff&sequence=bass-reading&level=bass-reading-1" }, { "id": "bass-reading-2", "order": 2, "title": "One-ledger-line naturals", "questionCount": 12, "threshold": 10, "url": "https://staffspot.backwerdrhythmshop.com/?assignment=bass-read-ledger-one&direction=staff-to-note&clef=bass&range=ledger-one&steps=all&accidentals=naturals&responseRule=letter&questionCount=12&threshold=10&seed=ss-bass-read-ledger-one&sequence=bass-reading&level=bass-reading-2" }, { "id": "bass-reading-3", "order": 3, "title": "Register-aware reading", "questionCount": 12, "threshold": 10, "url": "https://staffspot.backwerdrhythmshop.com/?assignment=bass-read-register&direction=staff-to-note&clef=bass&range=ledger-one&steps=all&accidentals=naturals&responseRule=scientific&questionCount=12&threshold=10&seed=ss-bass-read-register&sequence=bass-reading&level=bass-reading-3" }, { "id": "bass-reading-4", "order": 4, "title": "Bass reading knowledge check", "questionCount": 16, "threshold": 13, "url": "https://staffspot.backwerdrhythmshop.com/?assignment=bass-read-check&direction=staff-to-note&clef=bass&range=ledger-one&steps=all&accidentals=naturals&responseRule=scientific&questionCount=16&threshold=13&seed=ss-bass-read-check&sequence=bass-reading&level=bass-reading-4" } ] }, { "id": "bass-placement", "title": "Bass Note Placement", "objective": "Build notes on the bass staff from their written names.", "clef": "bass", "url": "https://staffspot.backwerdrhythmshop.com/sequences?sequence=bass-placement", "levels": [ { "id": "bass-placement-1", "order": 1, "title": "Place notes in spaces", "questionCount": 8, "threshold": 6, "url": "https://staffspot.backwerdrhythmshop.com/?assignment=bass-place-spaces&direction=note-to-staff&clef=bass&range=staff&steps=spaces&accidentals=naturals&responseRule=letter&questionCount=8&threshold=6&seed=ss-bass-place-spaces&sequence=bass-placement&level=bass-placement-1" }, { "id": "bass-placement-2", "order": 2, "title": "Place notes on lines", "questionCount": 8, "threshold": 6, "url": "https://staffspot.backwerdrhythmshop.com/?assignment=bass-place-lines&direction=note-to-staff&clef=bass&range=staff&steps=lines&accidentals=naturals&responseRule=letter&questionCount=8&threshold=6&seed=ss-bass-place-lines&sequence=bass-placement&level=bass-placement-2" }, { "id": "bass-placement-3", "order": 3, "title": "Place notes across the staff", "questionCount": 10, "threshold": 8, "url": "https://staffspot.backwerdrhythmshop.com/?assignment=bass-place-staff&direction=note-to-staff&clef=bass&range=staff&steps=all&accidentals=naturals&responseRule=letter&questionCount=10&threshold=8&seed=ss-bass-place-staff&sequence=bass-placement&level=bass-placement-3" }, { "id": "bass-placement-4", "order": 4, "title": "Bass placement knowledge check", "questionCount": 12, "threshold": 10, "url": "https://staffspot.backwerdrhythmshop.com/?assignment=bass-place-check&direction=note-to-staff&clef=bass&range=staff&steps=all&accidentals=naturals&responseRule=letter&questionCount=12&threshold=10&seed=ss-bass-place-check&sequence=bass-placement&level=bass-placement-4" } ] }, { "id": "mixed-clef-reading", "title": "Mixed-Clef Reading", "objective": "Keep the clef in mind when the staff can change from question to question.", "clef": "mixed", "url": "https://staffspot.backwerdrhythmshop.com/sequences?sequence=mixed-clef-reading", "levels": [ { "id": "mixed-clef-reading-1", "order": 1, "title": "Treble and bass landmarks", "questionCount": 10, "threshold": 8, "url": "https://staffspot.backwerdrhythmshop.com/?assignment=mixed-landmarks&direction=staff-to-note&clef=mixed&range=ledger-one&steps=-2%2C0%2C4%2C8%2C10&accidentals=naturals&responseRule=letter&questionCount=10&threshold=8&seed=ss-mixed-landmarks&sequence=mixed-clef-reading&level=mixed-clef-reading-1" }, { "id": "mixed-clef-reading-2", "order": 2, "title": "Mixed staff-only reading", "questionCount": 12, "threshold": 10, "url": "https://staffspot.backwerdrhythmshop.com/?assignment=mixed-read-staff&direction=staff-to-note&clef=mixed&range=staff&steps=all&accidentals=naturals&responseRule=letter&questionCount=12&threshold=10&seed=ss-mixed-read-staff&sequence=mixed-clef-reading&level=mixed-clef-reading-2" }, { "id": "mixed-clef-reading-3", "order": 3, "title": "Mixed one-ledger-line reading", "questionCount": 12, "threshold": 10, "url": "https://staffspot.backwerdrhythmshop.com/?assignment=mixed-read-ledger-one&direction=staff-to-note&clef=mixed&range=ledger-one&steps=all&accidentals=naturals&responseRule=scientific&questionCount=12&threshold=10&seed=ss-mixed-read-ledger-one&sequence=mixed-clef-reading&level=mixed-clef-reading-3" }, { "id": "mixed-clef-reading-4", "order": 4, "title": "Mixed-clef knowledge check", "questionCount": 16, "threshold": 13, "url": "https://staffspot.backwerdrhythmshop.com/?assignment=mixed-read-check&direction=mixed&clef=mixed&range=ledger-one&steps=all&accidentals=naturals&responseRule=scientific&questionCount=16&threshold=13&seed=ss-mixed-read-check&sequence=mixed-clef-reading&level=mixed-clef-reading-4" } ] } ] }, "worksheet": { "url": "https://staffspot.backwerdrhythmshop.com/worksheet", "summary": "Any assignment or level link renders as a printable paper worksheet with a matching teacher answer key.", "sameQuestionsAsOnline": true, "parameters": [ "key", "bank", "cols" ], "paper": "US Letter portrait, black and white safe", "carriesOntoPaper": [ "seed", "app version", "generation date", "classroom-use terms", "copyright" ], "notDone": [ "no student identity is collected, printed, or transmitted", "the sheet is not scored by the app — a printed sheet is graded by the teacher", "no PDF is generated server-side; the browser's print dialog produces the file" ] }, "evidence": { "measured": [ "notation.line-space-recognition", "notation.staff-position-recognition", "notation.pitch-name-recognition", "notation.staff-position-construction", "notation.clef-reading", "notation.register-discrimination", "notation.accidental-reading", "notation.accidental-placement" ], "notMeasured": [ "keyboard-location", "mallet-bar-location", "live-playing", "tone", "stroke", "grip", "sticking", "tempo", "pulse", "sight-reading-fluency", "verified-identity" ] } }