{
  "schema_version": "1.0.0",
  "content_version": "1.0.0",
  "module_id": "m22",
  "title": "Tonic and Dominant",
  "seed": 710041,
  "preset": {
    "id": "tonic-and-dominant-beginner",
    "difficulty": "beginner",
    "item_count": 10,
    "candidate_set": [
      "tonic",
      "dominant"
    ],
    "pitch_range_midi": [
      60,
      79
    ],
    "tempo_bpm": 90,
    "meter": [
      4,
      4
    ],
    "hints": true
  },
  "purpose": "Identify the final chord in a major-key context.",
  "instructions": {
    "student": "Identify the final function even as the key changes. Chord quality alone is insufficient because both candidates are major here.",
    "teacher": "Play each numbered question from this page. Use the same replay policy for all learners. Keep the answer section separate until the first response is recorded. For tapping tasks, record an observation on paper; use the online trainer for device-timed scoring.",
    "follow_up": "Follow a fresh progression from its opening context instead of borrowing the home pitch of the previous one."
  },
  "examples": {
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      "seed": 712263,
      "kind": "function",
      "events": [
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          "midi": 60,
          "onset_beats": 0,
          "duration_beats": 0.85,
          "velocity": 0.7,
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        {
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          "duration_beats": 0.85,
          "velocity": 0.7,
          "voice_id": "triangle"
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        {
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          "onset_beats": 0,
          "duration_beats": 0.85,
          "velocity": 0.7,
          "voice_id": "triangle"
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        {
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          "duration_beats": 0.85,
          "velocity": 0.7,
          "voice_id": "triangle"
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        {
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          "onset_beats": 1,
          "duration_beats": 0.85,
          "velocity": 0.7,
          "voice_id": "triangle"
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        {
          "midi": 72,
          "onset_beats": 1,
          "duration_beats": 0.85,
          "velocity": 0.7,
          "voice_id": "triangle"
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        {
          "midi": 67,
          "onset_beats": 2,
          "duration_beats": 0.85,
          "velocity": 0.7,
          "voice_id": "triangle"
        },
        {
          "midi": 71,
          "onset_beats": 2,
          "duration_beats": 0.85,
          "velocity": 0.7,
          "voice_id": "triangle"
        },
        {
          "midi": 74,
          "onset_beats": 2,
          "duration_beats": 0.85,
          "velocity": 0.7,
          "voice_id": "triangle"
        },
        {
          "midi": 60,
          "onset_beats": 3,
          "duration_beats": 0.85,
          "velocity": 0.7,
          "voice_id": "triangle"
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        {
          "midi": 64,
          "onset_beats": 3,
          "duration_beats": 0.85,
          "velocity": 0.7,
          "voice_id": "triangle"
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        {
          "midi": 67,
          "onset_beats": 3,
          "duration_beats": 0.85,
          "velocity": 0.7,
          "voice_id": "triangle"
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      ],
      "choices": [
        {
          "id": "tonic",
          "label": "Tonic (I)",
          "events": [
            {
              "midi": 60,
              "onset_beats": 0,
              "duration_beats": 0.85,
              "velocity": 0.7,
              "voice_id": "triangle"
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            {
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              "onset_beats": 0,
              "duration_beats": 0.85,
              "velocity": 0.7,
              "voice_id": "triangle"
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            {
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              "duration_beats": 0.85,
              "velocity": 0.7,
              "voice_id": "triangle"
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          ]
        },
        {
          "id": "dominant",
          "label": "Dominant (V)",
          "events": [
            {
              "midi": 67,
              "onset_beats": 0,
              "duration_beats": 0.85,
              "velocity": 0.7,
              "voice_id": "triangle"
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            {
              "midi": 71,
              "onset_beats": 0,
              "duration_beats": 0.85,
              "velocity": 0.7,
              "voice_id": "triangle"
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            {
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              "onset_beats": 0,
              "duration_beats": 0.85,
              "velocity": 0.7,
              "voice_id": "triangle"
            }
          ]
        }
      ],
      "answer": "tonic",
      "explanation": "The key is C major. After I–IV–V, the last chord is Tonic (I).",
      "notation": {
        "clef": "treble",
        "notes": [
          "C4",
          "E4",
          "G4",
          "F4",
          "A4",
          "C5",
          "G4",
          "B4",
          "D5",
          "C4",
          "E4",
          "G4"
        ]
      },
      "total_beats": 3.85
    },
    "comparison": {
      "id": "m22-712263-0",
      "seed": 712263,
      "kind": "function",
      "events": [
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          "midi": 60,
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        {
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        {
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      "choices": [
        {
          "id": "dominant",
          "label": "Dominant (V)",
          "events": [
            {
              "midi": 67,
              "onset_beats": 0,
              "duration_beats": 0.85,
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              "velocity": 0.7,
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          ]
        },
        {
          "id": "tonic",
          "label": "Tonic (I)",
          "events": [
            {
              "midi": 60,
              "onset_beats": 0,
              "duration_beats": 0.85,
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              "voice_id": "triangle"
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          ]
        }
      ],
      "answer": "dominant",
      "explanation": "The key is C major. After I–IV–V, the last chord is Dominant (V).",
      "notation": {
        "clef": "treble",
        "notes": [
          "C4",
          "E4",
          "G4",
          "F4",
          "A4",
          "C5",
          "G4",
          "B4",
          "D5",
          "G4",
          "B4",
          "D5"
        ]
      },
      "total_beats": 3.85
    },
    "seed": 712263,
    "comparisonSeed": 712263
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      "id": "m22-710041-0",
      "seed": 710041,
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      "choices": [
        {
          "id": "tonic",
          "label": "Tonic (I)",
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              "onset_beats": 0,
              "duration_beats": 0.85,
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          ]
        },
        {
          "id": "dominant",
          "label": "Dominant (V)",
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              "onset_beats": 0,
              "duration_beats": 0.85,
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          ]
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      ],
      "answer": "tonic",
      "explanation": "The key is C major. After I–IV–V, the last chord is Tonic (I).",
      "notation": {
        "clef": "treble",
        "notes": [
          "C4",
          "E4",
          "G4",
          "F4",
          "A4",
          "C5",
          "G4",
          "B4",
          "D5",
          "C4",
          "E4",
          "G4"
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          "events": [
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              "midi": 60,
              "onset_beats": 0,
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        {
          "id": "dominant",
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      ],
      "answer": "dominant",
      "explanation": "The key is C major. After I–IV–V, the last chord is Dominant (V).",
      "notation": {
        "clef": "treble",
        "notes": [
          "C4",
          "E4",
          "G4",
          "F4",
          "A4",
          "C5",
          "G4",
          "B4",
          "D5",
          "G4",
          "B4",
          "D5"
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      "answer": "tonic",
      "explanation": "The key is C major. After I–IV–V, the last chord is Tonic (I).",
      "notation": {
        "clef": "treble",
        "notes": [
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          "E4",
          "G4",
          "F4",
          "A4",
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          "midi": 67,
          "onset_beats": 3,
          "duration_beats": 0.85,
          "velocity": 0.7,
          "voice_id": "triangle"
        },
        {
          "midi": 71,
          "onset_beats": 3,
          "duration_beats": 0.85,
          "velocity": 0.7,
          "voice_id": "triangle"
        },
        {
          "midi": 74,
          "onset_beats": 3,
          "duration_beats": 0.85,
          "velocity": 0.7,
          "voice_id": "triangle"
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      ],
      "choices": [
        {
          "id": "tonic",
          "label": "Tonic (I)",
          "events": [
            {
              "midi": 60,
              "onset_beats": 0,
              "duration_beats": 0.85,
              "velocity": 0.7,
              "voice_id": "triangle"
            },
            {
              "midi": 64,
              "onset_beats": 0,
              "duration_beats": 0.85,
              "velocity": 0.7,
              "voice_id": "triangle"
            },
            {
              "midi": 67,
              "onset_beats": 0,
              "duration_beats": 0.85,
              "velocity": 0.7,
              "voice_id": "triangle"
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          ]
        },
        {
          "id": "dominant",
          "label": "Dominant (V)",
          "events": [
            {
              "midi": 67,
              "onset_beats": 0,
              "duration_beats": 0.85,
              "velocity": 0.7,
              "voice_id": "triangle"
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            {
              "midi": 71,
              "onset_beats": 0,
              "duration_beats": 0.85,
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              "voice_id": "triangle"
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              "onset_beats": 0,
              "duration_beats": 0.85,
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          ]
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      ],
      "answer": "dominant",
      "explanation": "The key is C major. After I–IV–V, the last chord is Dominant (V).",
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        "clef": "treble",
        "notes": [
          "C4",
          "E4",
          "G4",
          "F4",
          "A4",
          "C5",
          "G4",
          "B4",
          "D5",
          "G4",
          "B4",
          "D5"
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      },
      "total_beats": 3.85
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    {
      "id": "m22-710041-4",
      "seed": 741717,
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          "onset_beats": 0,
          "duration_beats": 0.85,
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        {
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          "onset_beats": 0,
          "duration_beats": 0.85,
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        {
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        {
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          "duration_beats": 0.85,
          "velocity": 0.7,
          "voice_id": "triangle"
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        {
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          "onset_beats": 1,
          "duration_beats": 0.85,
          "velocity": 0.7,
          "voice_id": "triangle"
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        {
          "midi": 72,
          "onset_beats": 1,
          "duration_beats": 0.85,
          "velocity": 0.7,
          "voice_id": "triangle"
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        {
          "midi": 67,
          "onset_beats": 2,
          "duration_beats": 0.85,
          "velocity": 0.7,
          "voice_id": "triangle"
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        {
          "midi": 71,
          "onset_beats": 2,
          "duration_beats": 0.85,
          "velocity": 0.7,
          "voice_id": "triangle"
        },
        {
          "midi": 74,
          "onset_beats": 2,
          "duration_beats": 0.85,
          "velocity": 0.7,
          "voice_id": "triangle"
        },
        {
          "midi": 67,
          "onset_beats": 3,
          "duration_beats": 0.85,
          "velocity": 0.7,
          "voice_id": "triangle"
        },
        {
          "midi": 71,
          "onset_beats": 3,
          "duration_beats": 0.85,
          "velocity": 0.7,
          "voice_id": "triangle"
        },
        {
          "midi": 74,
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          "duration_beats": 0.85,
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          "voice_id": "triangle"
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      "choices": [
        {
          "id": "tonic",
          "label": "Tonic (I)",
          "events": [
            {
              "midi": 60,
              "onset_beats": 0,
              "duration_beats": 0.85,
              "velocity": 0.7,
              "voice_id": "triangle"
            },
            {
              "midi": 64,
              "onset_beats": 0,
              "duration_beats": 0.85,
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              "voice_id": "triangle"
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            {
              "midi": 67,
              "onset_beats": 0,
              "duration_beats": 0.85,
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              "voice_id": "triangle"
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          ]
        },
        {
          "id": "dominant",
          "label": "Dominant (V)",
          "events": [
            {
              "midi": 67,
              "onset_beats": 0,
              "duration_beats": 0.85,
              "velocity": 0.7,
              "voice_id": "triangle"
            },
            {
              "midi": 71,
              "onset_beats": 0,
              "duration_beats": 0.85,
              "velocity": 0.7,
              "voice_id": "triangle"
            },
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              "midi": 74,
              "onset_beats": 0,
              "duration_beats": 0.85,
              "velocity": 0.7,
              "voice_id": "triangle"
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          ]
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      ],
      "answer": "dominant",
      "explanation": "The key is C major. After I–IV–V, the last chord is Dominant (V).",
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        "clef": "treble",
        "notes": [
          "C4",
          "E4",
          "G4",
          "F4",
          "A4",
          "C5",
          "G4",
          "B4",
          "D5",
          "G4",
          "B4",
          "D5"
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      },
      "total_beats": 3.85
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    {
      "id": "m22-710041-5",
      "seed": 749636,
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          "onset_beats": 0,
          "duration_beats": 0.85,
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        {
          "midi": 64,
          "onset_beats": 0,
          "duration_beats": 0.85,
          "velocity": 0.7,
          "voice_id": "triangle"
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        {
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          "onset_beats": 0,
          "duration_beats": 0.85,
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        {
          "midi": 65,
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          "duration_beats": 0.85,
          "velocity": 0.7,
          "voice_id": "triangle"
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        {
          "midi": 69,
          "onset_beats": 1,
          "duration_beats": 0.85,
          "velocity": 0.7,
          "voice_id": "triangle"
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        {
          "midi": 72,
          "onset_beats": 1,
          "duration_beats": 0.85,
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          "voice_id": "triangle"
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        {
          "midi": 67,
          "onset_beats": 2,
          "duration_beats": 0.85,
          "velocity": 0.7,
          "voice_id": "triangle"
        },
        {
          "midi": 71,
          "onset_beats": 2,
          "duration_beats": 0.85,
          "velocity": 0.7,
          "voice_id": "triangle"
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        {
          "midi": 74,
          "onset_beats": 2,
          "duration_beats": 0.85,
          "velocity": 0.7,
          "voice_id": "triangle"
        },
        {
          "midi": 67,
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          "duration_beats": 0.85,
          "velocity": 0.7,
          "voice_id": "triangle"
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        {
          "midi": 71,
          "onset_beats": 3,
          "duration_beats": 0.85,
          "velocity": 0.7,
          "voice_id": "triangle"
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        {
          "midi": 74,
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          "voice_id": "triangle"
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      ],
      "choices": [
        {
          "id": "tonic",
          "label": "Tonic (I)",
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            {
              "midi": 60,
              "onset_beats": 0,
              "duration_beats": 0.85,
              "velocity": 0.7,
              "voice_id": "triangle"
            },
            {
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              "onset_beats": 0,
              "duration_beats": 0.85,
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              "voice_id": "triangle"
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            {
              "midi": 67,
              "onset_beats": 0,
              "duration_beats": 0.85,
              "velocity": 0.7,
              "voice_id": "triangle"
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          ]
        },
        {
          "id": "dominant",
          "label": "Dominant (V)",
          "events": [
            {
              "midi": 67,
              "onset_beats": 0,
              "duration_beats": 0.85,
              "velocity": 0.7,
              "voice_id": "triangle"
            },
            {
              "midi": 71,
              "onset_beats": 0,
              "duration_beats": 0.85,
              "velocity": 0.7,
              "voice_id": "triangle"
            },
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              "onset_beats": 0,
              "duration_beats": 0.85,
              "velocity": 0.7,
              "voice_id": "triangle"
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          ]
        }
      ],
      "answer": "dominant",
      "explanation": "The key is C major. After I–IV–V, the last chord is Dominant (V).",
      "notation": {
        "clef": "treble",
        "notes": [
          "C4",
          "E4",
          "G4",
          "F4",
          "A4",
          "C5",
          "G4",
          "B4",
          "D5",
          "G4",
          "B4",
          "D5"
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      },
      "total_beats": 3.85
    },
    {
      "id": "m22-710041-6",
      "seed": 757555,
      "kind": "function",
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          "onset_beats": 0,
          "duration_beats": 0.85,
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          "voice_id": "triangle"
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        {
          "midi": 64,
          "onset_beats": 0,
          "duration_beats": 0.85,
          "velocity": 0.7,
          "voice_id": "triangle"
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        {
          "midi": 67,
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          "duration_beats": 0.85,
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          "voice_id": "triangle"
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        {
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          "duration_beats": 0.85,
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          "voice_id": "triangle"
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        {
          "midi": 72,
          "onset_beats": 1,
          "duration_beats": 0.85,
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          "voice_id": "triangle"
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        {
          "midi": 67,
          "onset_beats": 2,
          "duration_beats": 0.85,
          "velocity": 0.7,
          "voice_id": "triangle"
        },
        {
          "midi": 71,
          "onset_beats": 2,
          "duration_beats": 0.85,
          "velocity": 0.7,
          "voice_id": "triangle"
        },
        {
          "midi": 74,
          "onset_beats": 2,
          "duration_beats": 0.85,
          "velocity": 0.7,
          "voice_id": "triangle"
        },
        {
          "midi": 67,
          "onset_beats": 3,
          "duration_beats": 0.85,
          "velocity": 0.7,
          "voice_id": "triangle"
        },
        {
          "midi": 71,
          "onset_beats": 3,
          "duration_beats": 0.85,
          "velocity": 0.7,
          "voice_id": "triangle"
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        {
          "midi": 74,
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          "voice_id": "triangle"
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      ],
      "choices": [
        {
          "id": "tonic",
          "label": "Tonic (I)",
          "events": [
            {
              "midi": 60,
              "onset_beats": 0,
              "duration_beats": 0.85,
              "velocity": 0.7,
              "voice_id": "triangle"
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            {
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              "onset_beats": 0,
              "duration_beats": 0.85,
              "velocity": 0.7,
              "voice_id": "triangle"
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            {
              "midi": 67,
              "onset_beats": 0,
              "duration_beats": 0.85,
              "velocity": 0.7,
              "voice_id": "triangle"
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          ]
        },
        {
          "id": "dominant",
          "label": "Dominant (V)",
          "events": [
            {
              "midi": 67,
              "onset_beats": 0,
              "duration_beats": 0.85,
              "velocity": 0.7,
              "voice_id": "triangle"
            },
            {
              "midi": 71,
              "onset_beats": 0,
              "duration_beats": 0.85,
              "velocity": 0.7,
              "voice_id": "triangle"
            },
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              "onset_beats": 0,
              "duration_beats": 0.85,
              "velocity": 0.7,
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          ]
        }
      ],
      "answer": "dominant",
      "explanation": "The key is C major. After I–IV–V, the last chord is Dominant (V).",
      "notation": {
        "clef": "treble",
        "notes": [
          "C4",
          "E4",
          "G4",
          "F4",
          "A4",
          "C5",
          "G4",
          "B4",
          "D5",
          "G4",
          "B4",
          "D5"
        ]
      },
      "total_beats": 3.85
    },
    {
      "id": "m22-710041-7",
      "seed": 765474,
      "kind": "function",
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          "onset_beats": 0,
          "duration_beats": 0.85,
          "velocity": 0.7,
          "voice_id": "triangle"
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        {
          "midi": 64,
          "onset_beats": 0,
          "duration_beats": 0.85,
          "velocity": 0.7,
          "voice_id": "triangle"
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        {
          "midi": 67,
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        },
        {
          "midi": 65,
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          "duration_beats": 0.85,
          "velocity": 0.7,
          "voice_id": "triangle"
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        {
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          "onset_beats": 1,
          "duration_beats": 0.85,
          "velocity": 0.7,
          "voice_id": "triangle"
        },
        {
          "midi": 72,
          "onset_beats": 1,
          "duration_beats": 0.85,
          "velocity": 0.7,
          "voice_id": "triangle"
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        {
          "midi": 67,
          "onset_beats": 2,
          "duration_beats": 0.85,
          "velocity": 0.7,
          "voice_id": "triangle"
        },
        {
          "midi": 71,
          "onset_beats": 2,
          "duration_beats": 0.85,
          "velocity": 0.7,
          "voice_id": "triangle"
        },
        {
          "midi": 74,
          "onset_beats": 2,
          "duration_beats": 0.85,
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          "voice_id": "triangle"
        },
        {
          "midi": 67,
          "onset_beats": 3,
          "duration_beats": 0.85,
          "velocity": 0.7,
          "voice_id": "triangle"
        },
        {
          "midi": 71,
          "onset_beats": 3,
          "duration_beats": 0.85,
          "velocity": 0.7,
          "voice_id": "triangle"
        },
        {
          "midi": 74,
          "onset_beats": 3,
          "duration_beats": 0.85,
          "velocity": 0.7,
          "voice_id": "triangle"
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      ],
      "choices": [
        {
          "id": "tonic",
          "label": "Tonic (I)",
          "events": [
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              "midi": 60,
              "onset_beats": 0,
              "duration_beats": 0.85,
              "velocity": 0.7,
              "voice_id": "triangle"
            },
            {
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              "onset_beats": 0,
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              "velocity": 0.7,
              "voice_id": "triangle"
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              "onset_beats": 0,
              "duration_beats": 0.85,
              "velocity": 0.7,
              "voice_id": "triangle"
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          ]
        },
        {
          "id": "dominant",
          "label": "Dominant (V)",
          "events": [
            {
              "midi": 67,
              "onset_beats": 0,
              "duration_beats": 0.85,
              "velocity": 0.7,
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            {
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              "onset_beats": 0,
              "duration_beats": 0.85,
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              "duration_beats": 0.85,
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      ],
      "answer": "dominant",
      "explanation": "The key is C major. After I–IV–V, the last chord is Dominant (V).",
      "notation": {
        "clef": "treble",
        "notes": [
          "C4",
          "E4",
          "G4",
          "F4",
          "A4",
          "C5",
          "G4",
          "B4",
          "D5",
          "G4",
          "B4",
          "D5"
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      },
      "total_beats": 3.85
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    {
      "id": "m22-710041-8",
      "seed": 773393,
      "kind": "function",
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          "onset_beats": 0,
          "duration_beats": 0.85,
          "velocity": 0.7,
          "voice_id": "triangle"
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        {
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          "onset_beats": 0,
          "duration_beats": 0.85,
          "velocity": 0.7,
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        {
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          "onset_beats": 1,
          "duration_beats": 0.85,
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        {
          "midi": 72,
          "onset_beats": 1,
          "duration_beats": 0.85,
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          "voice_id": "triangle"
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        {
          "midi": 67,
          "onset_beats": 2,
          "duration_beats": 0.85,
          "velocity": 0.7,
          "voice_id": "triangle"
        },
        {
          "midi": 71,
          "onset_beats": 2,
          "duration_beats": 0.85,
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          "voice_id": "triangle"
        },
        {
          "midi": 74,
          "onset_beats": 2,
          "duration_beats": 0.85,
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          "voice_id": "triangle"
        },
        {
          "midi": 67,
          "onset_beats": 3,
          "duration_beats": 0.85,
          "velocity": 0.7,
          "voice_id": "triangle"
        },
        {
          "midi": 71,
          "onset_beats": 3,
          "duration_beats": 0.85,
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          "voice_id": "triangle"
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      ],
      "choices": [
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          "label": "Tonic (I)",
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              "midi": 60,
              "onset_beats": 0,
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              "velocity": 0.7,
              "voice_id": "triangle"
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            {
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              "onset_beats": 0,
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              "onset_beats": 0,
              "duration_beats": 0.85,
              "velocity": 0.7,
              "voice_id": "triangle"
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        },
        {
          "id": "dominant",
          "label": "Dominant (V)",
          "events": [
            {
              "midi": 67,
              "onset_beats": 0,
              "duration_beats": 0.85,
              "velocity": 0.7,
              "voice_id": "triangle"
            },
            {
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              "onset_beats": 0,
              "duration_beats": 0.85,
              "velocity": 0.7,
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              "onset_beats": 0,
              "duration_beats": 0.85,
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      ],
      "answer": "dominant",
      "explanation": "The key is C major. After I–IV–V, the last chord is Dominant (V).",
      "notation": {
        "clef": "treble",
        "notes": [
          "C4",
          "E4",
          "G4",
          "F4",
          "A4",
          "C5",
          "G4",
          "B4",
          "D5",
          "G4",
          "B4",
          "D5"
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          "onset_beats": 0,
          "duration_beats": 0.85,
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        },
        {
          "midi": 67,
          "onset_beats": 0,
          "duration_beats": 0.85,
          "velocity": 0.7,
          "voice_id": "triangle"
        },
        {
          "midi": 65,
          "onset_beats": 1,
          "duration_beats": 0.85,
          "velocity": 0.7,
          "voice_id": "triangle"
        },
        {
          "midi": 69,
          "onset_beats": 1,
          "duration_beats": 0.85,
          "velocity": 0.7,
          "voice_id": "triangle"
        },
        {
          "midi": 72,
          "onset_beats": 1,
          "duration_beats": 0.85,
          "velocity": 0.7,
          "voice_id": "triangle"
        },
        {
          "midi": 67,
          "onset_beats": 2,
          "duration_beats": 0.85,
          "velocity": 0.7,
          "voice_id": "triangle"
        },
        {
          "midi": 71,
          "onset_beats": 2,
          "duration_beats": 0.85,
          "velocity": 0.7,
          "voice_id": "triangle"
        },
        {
          "midi": 74,
          "onset_beats": 2,
          "duration_beats": 0.85,
          "velocity": 0.7,
          "voice_id": "triangle"
        },
        {
          "midi": 67,
          "onset_beats": 3,
          "duration_beats": 0.85,
          "velocity": 0.7,
          "voice_id": "triangle"
        },
        {
          "midi": 71,
          "onset_beats": 3,
          "duration_beats": 0.85,
          "velocity": 0.7,
          "voice_id": "triangle"
        },
        {
          "midi": 74,
          "onset_beats": 3,
          "duration_beats": 0.85,
          "velocity": 0.7,
          "voice_id": "triangle"
        }
      ],
      "choices": [
        {
          "id": "tonic",
          "label": "Tonic (I)",
          "events": [
            {
              "midi": 60,
              "onset_beats": 0,
              "duration_beats": 0.85,
              "velocity": 0.7,
              "voice_id": "triangle"
            },
            {
              "midi": 64,
              "onset_beats": 0,
              "duration_beats": 0.85,
              "velocity": 0.7,
              "voice_id": "triangle"
            },
            {
              "midi": 67,
              "onset_beats": 0,
              "duration_beats": 0.85,
              "velocity": 0.7,
              "voice_id": "triangle"
            }
          ]
        },
        {
          "id": "dominant",
          "label": "Dominant (V)",
          "events": [
            {
              "midi": 67,
              "onset_beats": 0,
              "duration_beats": 0.85,
              "velocity": 0.7,
              "voice_id": "triangle"
            },
            {
              "midi": 71,
              "onset_beats": 0,
              "duration_beats": 0.85,
              "velocity": 0.7,
              "voice_id": "triangle"
            },
            {
              "midi": 74,
              "onset_beats": 0,
              "duration_beats": 0.85,
              "velocity": 0.7,
              "voice_id": "triangle"
            }
          ]
        }
      ],
      "answer": "dominant",
      "explanation": "The key is C major. After I–IV–V, the last chord is Dominant (V).",
      "notation": {
        "clef": "treble",
        "notes": [
          "C4",
          "E4",
          "G4",
          "F4",
          "A4",
          "C5",
          "G4",
          "B4",
          "D5",
          "G4",
          "B4",
          "D5"
        ]
      },
      "total_beats": 3.85
    }
  ],
  "answer_key": [
    {
      "number": 1,
      "question_id": "m22-710041-0",
      "answer": "tonic",
      "label": "Tonic (I)",
      "explanation": "The key is C major. After I–IV–V, the last chord is Tonic (I).",
      "notation": {
        "clef": "treble",
        "notes": [
          "C4",
          "E4",
          "G4",
          "F4",
          "A4",
          "C5",
          "G4",
          "B4",
          "D5",
          "C4",
          "E4",
          "G4"
        ]
      },
      "total_beats": 3.85
    },
    {
      "number": 2,
      "question_id": "m22-710041-1",
      "answer": "dominant",
      "label": "Dominant (V)",
      "explanation": "The key is C major. After I–IV–V, the last chord is Dominant (V).",
      "notation": {
        "clef": "treble",
        "notes": [
          "C4",
          "E4",
          "G4",
          "F4",
          "A4",
          "C5",
          "G4",
          "B4",
          "D5",
          "G4",
          "B4",
          "D5"
        ]
      },
      "total_beats": 3.85
    },
    {
      "number": 3,
      "question_id": "m22-710041-2",
      "answer": "tonic",
      "label": "Tonic (I)",
      "explanation": "The key is C major. After I–IV–V, the last chord is Tonic (I).",
      "notation": {
        "clef": "treble",
        "notes": [
          "C4",
          "E4",
          "G4",
          "F4",
          "A4",
          "C5",
          "G4",
          "B4",
          "D5",
          "C4",
          "E4",
          "G4"
        ]
      },
      "total_beats": 3.85
    },
    {
      "number": 4,
      "question_id": "m22-710041-3",
      "answer": "dominant",
      "label": "Dominant (V)",
      "explanation": "The key is C major. After I–IV–V, the last chord is Dominant (V).",
      "notation": {
        "clef": "treble",
        "notes": [
          "C4",
          "E4",
          "G4",
          "F4",
          "A4",
          "C5",
          "G4",
          "B4",
          "D5",
          "G4",
          "B4",
          "D5"
        ]
      },
      "total_beats": 3.85
    },
    {
      "number": 5,
      "question_id": "m22-710041-4",
      "answer": "dominant",
      "label": "Dominant (V)",
      "explanation": "The key is C major. After I–IV–V, the last chord is Dominant (V).",
      "notation": {
        "clef": "treble",
        "notes": [
          "C4",
          "E4",
          "G4",
          "F4",
          "A4",
          "C5",
          "G4",
          "B4",
          "D5",
          "G4",
          "B4",
          "D5"
        ]
      },
      "total_beats": 3.85
    },
    {
      "number": 6,
      "question_id": "m22-710041-5",
      "answer": "dominant",
      "label": "Dominant (V)",
      "explanation": "The key is C major. After I–IV–V, the last chord is Dominant (V).",
      "notation": {
        "clef": "treble",
        "notes": [
          "C4",
          "E4",
          "G4",
          "F4",
          "A4",
          "C5",
          "G4",
          "B4",
          "D5",
          "G4",
          "B4",
          "D5"
        ]
      },
      "total_beats": 3.85
    },
    {
      "number": 7,
      "question_id": "m22-710041-6",
      "answer": "dominant",
      "label": "Dominant (V)",
      "explanation": "The key is C major. After I–IV–V, the last chord is Dominant (V).",
      "notation": {
        "clef": "treble",
        "notes": [
          "C4",
          "E4",
          "G4",
          "F4",
          "A4",
          "C5",
          "G4",
          "B4",
          "D5",
          "G4",
          "B4",
          "D5"
        ]
      },
      "total_beats": 3.85
    },
    {
      "number": 8,
      "question_id": "m22-710041-7",
      "answer": "dominant",
      "label": "Dominant (V)",
      "explanation": "The key is C major. After I–IV–V, the last chord is Dominant (V).",
      "notation": {
        "clef": "treble",
        "notes": [
          "C4",
          "E4",
          "G4",
          "F4",
          "A4",
          "C5",
          "G4",
          "B4",
          "D5",
          "G4",
          "B4",
          "D5"
        ]
      },
      "total_beats": 3.85
    },
    {
      "number": 9,
      "question_id": "m22-710041-8",
      "answer": "dominant",
      "label": "Dominant (V)",
      "explanation": "The key is C major. After I–IV–V, the last chord is Dominant (V).",
      "notation": {
        "clef": "treble",
        "notes": [
          "C4",
          "E4",
          "G4",
          "F4",
          "A4",
          "C5",
          "G4",
          "B4",
          "D5",
          "G4",
          "B4",
          "D5"
        ]
      },
      "total_beats": 3.85
    },
    {
      "number": 10,
      "question_id": "m22-710041-9",
      "answer": "dominant",
      "label": "Dominant (V)",
      "explanation": "The key is C major. After I–IV–V, the last chord is Dominant (V).",
      "notation": {
        "clef": "treble",
        "notes": [
          "C4",
          "E4",
          "G4",
          "F4",
          "A4",
          "C5",
          "G4",
          "B4",
          "D5",
          "G4",
          "B4",
          "D5"
        ]
      },
      "total_beats": 3.85
    }
  ],
  "record": {
    "learner": "",
    "date": "",
    "first_responses": "",
    "same_question_corrections": "",
    "new_question_check": ""
  }
}