{
  "description": "Original hand-composed reference, not output from the user engine or a quotation of Autumn Leaves.",
  "tempo_bpm": 120,
  "meter": "4/4",
  "pitch_convention": "sounding",
  "time_units": "exact rational quarter-note beats",
  "velocity_policy": "lead 80, backing 48; constant within each track; no accents or dynamics",
  "scale_regions": [
    {
      "start": "0",
      "end": "16",
      "scale": "D Aeolian"
    },
    {
      "start": "16",
      "end": "24",
      "scale": "D Harmonic Minor"
    },
    {
      "start": "24",
      "end": "32",
      "scale": "D Aeolian"
    }
  ],
  "harmony": [
    {
      "bar": 1,
      "chord": "Gm7",
      "required_basic_pitch_classes": [
        7,
        10,
        2,
        5
      ]
    },
    {
      "bar": 2,
      "chord": "C7",
      "required_basic_pitch_classes": [
        0,
        4,
        7,
        10
      ]
    },
    {
      "bar": 3,
      "chord": "Fmaj7",
      "required_basic_pitch_classes": [
        5,
        9,
        0,
        4
      ]
    },
    {
      "bar": 4,
      "chord": "Bbmaj7",
      "required_basic_pitch_classes": [
        10,
        2,
        5,
        9
      ]
    },
    {
      "bar": 5,
      "chord": "Em7b5",
      "required_basic_pitch_classes": [
        4,
        7,
        10,
        2
      ]
    },
    {
      "bar": 6,
      "chord": "A7",
      "required_basic_pitch_classes": [
        9,
        1,
        4,
        7
      ]
    },
    {
      "bar": 7,
      "chord": "Dm7",
      "required_basic_pitch_classes": [
        2,
        5,
        9,
        0
      ]
    },
    {
      "bar": 8,
      "chord": "Dm7",
      "required_basic_pitch_classes": [
        2,
        5,
        9,
        0
      ]
    }
  ],
  "variants": {
    "lead_theme": {
      "attacks": 31,
      "events": [
        {
          "bar": 1,
          "onset_beats": "0",
          "duration_beats": "1",
          "pitch": "D4",
          "midi_pitch": 62
        },
        {
          "bar": 1,
          "onset_beats": "1",
          "duration_beats": "3/2",
          "pitch": "G4",
          "midi_pitch": 67
        },
        {
          "bar": 1,
          "onset_beats": "5/2",
          "duration_beats": "1/2",
          "pitch": "F4",
          "midi_pitch": 65
        },
        {
          "bar": 1,
          "onset_beats": "3",
          "duration_beats": "1",
          "pitch": "D4",
          "midi_pitch": 62
        },
        {
          "bar": 2,
          "onset_beats": "4",
          "duration_beats": "2",
          "pitch": "E4",
          "midi_pitch": 64
        },
        {
          "bar": 2,
          "onset_beats": "6",
          "duration_beats": "1/2",
          "pitch": "G4",
          "midi_pitch": 67
        },
        {
          "bar": 2,
          "onset_beats": "13/2",
          "duration_beats": "1/2",
          "pitch": "A4",
          "midi_pitch": 69
        },
        {
          "bar": 2,
          "onset_beats": "7",
          "duration_beats": "1",
          "pitch": "G4",
          "midi_pitch": 67
        },
        {
          "bar": 3,
          "onset_beats": "8",
          "duration_beats": "1",
          "pitch": "C4",
          "midi_pitch": 60
        },
        {
          "bar": 3,
          "onset_beats": "9",
          "duration_beats": "3/2",
          "pitch": "F4",
          "midi_pitch": 65
        },
        {
          "bar": 3,
          "onset_beats": "21/2",
          "duration_beats": "1/2",
          "pitch": "E4",
          "midi_pitch": 64
        },
        {
          "bar": 3,
          "onset_beats": "11",
          "duration_beats": "1",
          "pitch": "C4",
          "midi_pitch": 60
        },
        {
          "bar": 4,
          "onset_beats": "12",
          "duration_beats": "2",
          "pitch": "D4",
          "midi_pitch": 62
        },
        {
          "bar": 4,
          "onset_beats": "14",
          "duration_beats": "1",
          "pitch": "F4",
          "midi_pitch": 65
        },
        {
          "bar": 4,
          "onset_beats": "15",
          "duration_beats": "1",
          "pitch": "A4",
          "midi_pitch": 69
        },
        {
          "bar": 5,
          "onset_beats": "16",
          "duration_beats": "3/2",
          "pitch": "Bb4",
          "midi_pitch": 70
        },
        {
          "bar": 5,
          "onset_beats": "35/2",
          "duration_beats": "1/2",
          "pitch": "A4",
          "midi_pitch": 69
        },
        {
          "bar": 5,
          "onset_beats": "18",
          "duration_beats": "1",
          "pitch": "G4",
          "midi_pitch": 67
        },
        {
          "bar": 5,
          "onset_beats": "19",
          "duration_beats": "1",
          "pitch": "E4",
          "midi_pitch": 64
        },
        {
          "bar": 6,
          "onset_beats": "20",
          "duration_beats": "1",
          "pitch": "G4",
          "midi_pitch": 67
        },
        {
          "bar": 6,
          "onset_beats": "21",
          "duration_beats": "1/2",
          "pitch": "F4",
          "midi_pitch": 65
        },
        {
          "bar": 6,
          "onset_beats": "43/2",
          "duration_beats": "1/2",
          "pitch": "E4",
          "midi_pitch": 64
        },
        {
          "bar": 6,
          "onset_beats": "22",
          "duration_beats": "1",
          "pitch": "C#4",
          "midi_pitch": 61
        },
        {
          "bar": 6,
          "onset_beats": "23",
          "duration_beats": "1",
          "pitch": "E4",
          "midi_pitch": 64
        },
        {
          "bar": 7,
          "onset_beats": "24",
          "duration_beats": "1",
          "pitch": "D4",
          "midi_pitch": 62
        },
        {
          "bar": 7,
          "onset_beats": "25",
          "duration_beats": "3/2",
          "pitch": "A4",
          "midi_pitch": 69
        },
        {
          "bar": 7,
          "onset_beats": "53/2",
          "duration_beats": "1/2",
          "pitch": "G4",
          "midi_pitch": 67
        },
        {
          "bar": 7,
          "onset_beats": "27",
          "duration_beats": "1",
          "pitch": "F4",
          "midi_pitch": 65
        },
        {
          "bar": 8,
          "onset_beats": "28",
          "duration_beats": "1/2",
          "pitch": "E4",
          "midi_pitch": 64
        },
        {
          "bar": 8,
          "onset_beats": "57/2",
          "duration_beats": "1/2",
          "pitch": "C4",
          "midi_pitch": 60
        },
        {
          "bar": 8,
          "onset_beats": "29",
          "duration_beats": "2",
          "pitch": "D4",
          "midi_pitch": 62
        },
        {
          "bar": 8,
          "onset_beats": "31",
          "duration_beats": "1",
          "pitch": null,
          "midi_pitch": null
        }
      ]
    },
    "lead_with_runs": {
      "attacks": 36,
      "events": [
        {
          "bar": 1,
          "onset_beats": "0",
          "duration_beats": "1",
          "pitch": "D4",
          "midi_pitch": 62
        },
        {
          "bar": 1,
          "onset_beats": "1",
          "duration_beats": "3/2",
          "pitch": "G4",
          "midi_pitch": 67
        },
        {
          "bar": 1,
          "onset_beats": "5/2",
          "duration_beats": "1/2",
          "pitch": "F4",
          "midi_pitch": 65
        },
        {
          "bar": 1,
          "onset_beats": "3",
          "duration_beats": "1",
          "pitch": "D4",
          "midi_pitch": 62
        },
        {
          "bar": 2,
          "onset_beats": "4",
          "duration_beats": "1",
          "pitch": "E4",
          "midi_pitch": 64
        },
        {
          "bar": 2,
          "onset_beats": "5",
          "duration_beats": "1/2",
          "pitch": "F4",
          "midi_pitch": 65
        },
        {
          "bar": 2,
          "onset_beats": "11/2",
          "duration_beats": "1/2",
          "pitch": "G4",
          "midi_pitch": 67
        },
        {
          "bar": 2,
          "onset_beats": "6",
          "duration_beats": "1/2",
          "pitch": "A4",
          "midi_pitch": 69
        },
        {
          "bar": 2,
          "onset_beats": "13/2",
          "duration_beats": "1/2",
          "pitch": "Bb4",
          "midi_pitch": 70
        },
        {
          "bar": 2,
          "onset_beats": "7",
          "duration_beats": "1/2",
          "pitch": "A4",
          "midi_pitch": 69
        },
        {
          "bar": 2,
          "onset_beats": "15/2",
          "duration_beats": "1/2",
          "pitch": "G4",
          "midi_pitch": 67
        },
        {
          "bar": 3,
          "onset_beats": "8",
          "duration_beats": "1",
          "pitch": "C4",
          "midi_pitch": 60
        },
        {
          "bar": 3,
          "onset_beats": "9",
          "duration_beats": "3/2",
          "pitch": "F4",
          "midi_pitch": 65
        },
        {
          "bar": 3,
          "onset_beats": "21/2",
          "duration_beats": "1/2",
          "pitch": "E4",
          "midi_pitch": 64
        },
        {
          "bar": 3,
          "onset_beats": "11",
          "duration_beats": "1",
          "pitch": "C4",
          "midi_pitch": 60
        },
        {
          "bar": 4,
          "onset_beats": "12",
          "duration_beats": "2",
          "pitch": "D4",
          "midi_pitch": 62
        },
        {
          "bar": 4,
          "onset_beats": "14",
          "duration_beats": "1",
          "pitch": "F4",
          "midi_pitch": 65
        },
        {
          "bar": 4,
          "onset_beats": "15",
          "duration_beats": "1",
          "pitch": "A4",
          "midi_pitch": 69
        },
        {
          "bar": 5,
          "onset_beats": "16",
          "duration_beats": "3/2",
          "pitch": "Bb4",
          "midi_pitch": 70
        },
        {
          "bar": 5,
          "onset_beats": "35/2",
          "duration_beats": "1/2",
          "pitch": "A4",
          "midi_pitch": 69
        },
        {
          "bar": 5,
          "onset_beats": "18",
          "duration_beats": "1",
          "pitch": "G4",
          "midi_pitch": 67
        },
        {
          "bar": 5,
          "onset_beats": "19",
          "duration_beats": "1",
          "pitch": "E4",
          "midi_pitch": 64
        },
        {
          "bar": 6,
          "onset_beats": "20",
          "duration_beats": "1",
          "pitch": "G4",
          "midi_pitch": 67
        },
        {
          "bar": 6,
          "onset_beats": "21",
          "duration_beats": "1/2",
          "pitch": "F4",
          "midi_pitch": 65
        },
        {
          "bar": 6,
          "onset_beats": "43/2",
          "duration_beats": "1/2",
          "pitch": "E4",
          "midi_pitch": 64
        },
        {
          "bar": 6,
          "onset_beats": "22",
          "duration_beats": "1/2",
          "pitch": "D4",
          "midi_pitch": 62
        },
        {
          "bar": 6,
          "onset_beats": "45/2",
          "duration_beats": "1/2",
          "pitch": "C#4",
          "midi_pitch": 61
        },
        {
          "bar": 6,
          "onset_beats": "23",
          "duration_beats": "1/2",
          "pitch": "E4",
          "midi_pitch": 64
        },
        {
          "bar": 6,
          "onset_beats": "47/2",
          "duration_beats": "1/2",
          "pitch": "C#4",
          "midi_pitch": 61
        },
        {
          "bar": 7,
          "onset_beats": "24",
          "duration_beats": "1",
          "pitch": "D4",
          "midi_pitch": 62
        },
        {
          "bar": 7,
          "onset_beats": "25",
          "duration_beats": "3/2",
          "pitch": "A4",
          "midi_pitch": 69
        },
        {
          "bar": 7,
          "onset_beats": "53/2",
          "duration_beats": "1/2",
          "pitch": "G4",
          "midi_pitch": 67
        },
        {
          "bar": 7,
          "onset_beats": "27",
          "duration_beats": "1",
          "pitch": "F4",
          "midi_pitch": 65
        },
        {
          "bar": 8,
          "onset_beats": "28",
          "duration_beats": "1/2",
          "pitch": "E4",
          "midi_pitch": 64
        },
        {
          "bar": 8,
          "onset_beats": "57/2",
          "duration_beats": "1/2",
          "pitch": "C4",
          "midi_pitch": 60
        },
        {
          "bar": 8,
          "onset_beats": "29",
          "duration_beats": "2",
          "pitch": "D4",
          "midi_pitch": 62
        },
        {
          "bar": 8,
          "onset_beats": "31",
          "duration_beats": "1",
          "pitch": null,
          "midi_pitch": null
        }
      ]
    }
  },
  "id": "original_lead_theme",
  "acceptance": "User accepted plain theme and runs as references",
  "tonic": "D",
  "mode": "minor",
  "run_windows": [
    {
      "start": "4",
      "end": "8"
    },
    {
      "start": "20",
      "end": "24"
    }
  ],
  "features": [
    {
      "id": "leap_return",
      "start": "0",
      "end": "4",
      "relationship": "timed leap and return"
    },
    {
      "id": "restatement",
      "start": "8",
      "end": "12",
      "relationship": "related rhythm and leap with harmonic adaptation"
    }
  ],
  "development": [
    {
      "role": "statement",
      "start": "0",
      "end": "4",
      "degrees": [
        0,
        3,
        2,
        0
      ]
    },
    {
      "role": "answer",
      "start": "4",
      "end": "8",
      "degrees": [
        0,
        2,
        3,
        2
      ]
    },
    {
      "role": "return",
      "start": "8",
      "end": "12",
      "degrees": [
        0,
        3,
        2,
        0
      ]
    },
    {
      "role": "extension",
      "start": "12",
      "end": "16",
      "degrees": [
        0,
        2,
        4
      ]
    },
    {
      "role": "departure",
      "start": "16",
      "end": "20",
      "degrees": [
        0,
        -1,
        -2,
        -4
      ]
    },
    {
      "role": "continuation",
      "start": "20",
      "end": "24",
      "degrees": [
        0,
        -1,
        -2,
        -4,
        -2
      ]
    },
    {
      "role": "recall",
      "start": "24",
      "end": "28",
      "degrees": [
        0,
        4,
        3,
        2
      ]
    },
    {
      "role": "ending",
      "start": "28",
      "end": "32",
      "degrees": [
        0,
        -2,
        -1
      ]
    }
  ]
}