{
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  "scope": "Recorded CLI runs; the browser selects results.",
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      "pitch_changed": false,
      "velocity_changed": false,
      "notes": [
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          "id": "t1:c0:p69:s0:n0",
          "track": 1,
          "channel": 0,
          "pitch": 69,
          "start": 0,
          "duration": 1435,
          "velocity": 50
        },
        {
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          "pitch": 71,
          "start": 1440,
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          "track": 1,
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          "pitch": 67,
          "start": 2400,
          "duration": 475,
          "velocity": 50
        }
      ],
      "readings": {
        "described": {
          "text": "no differences",
          "notice": "tolerance: 120 ticks"
        },
        "exact": {
          "text": "no differences",
          "notice": "tolerance: 0 ticks"
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      },
      "midi_sha256": "e158107d28a3d596c2a5a146e6cd4533b9bb44a07b433f4fcb9701f8a0bdae3e"
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          "pitch": 67,
          "start": 2400,
          "duration": 475,
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      ],
      "readings": {
        "described": {
          "text": "changed  bar 1 beat 1  track 1  A4  transposed to G4",
          "notice": "tolerance: 120 ticks"
        },
        "exact": {
          "text": "added    bar 1 beat 1  track 1  G4  velocity 50  duration 1435\nremoved  bar 1 beat 1  track 1  A4  velocity 50  duration 1435",
          "notice": "tolerance: 0 ticks"
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          "start": 2400,
          "duration": 475,
          "velocity": 50
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      ],
      "readings": {
        "described": {
          "text": "changed  bar 1 beat 1  track 1  A4  velocity 50 -> 40",
          "notice": "tolerance: 120 ticks"
        },
        "exact": {
          "text": "changed  bar 1 beat 1  track 1  A4  velocity 50 -> 40",
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          "start": 2400,
          "duration": 475,
          "velocity": 50
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      ],
      "readings": {
        "described": {
          "text": "changed  bar 1 beat 1  track 1  A4  transposed to G4, velocity 50 -> 40",
          "notice": "tolerance: 120 ticks"
        },
        "exact": {
          "text": "added    bar 1 beat 1  track 1  G4  velocity 40  duration 1435\nremoved  bar 1 beat 1  track 1  A4  velocity 50  duration 1435",
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