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        "f1": 1.0
      },
      "order_alignment_differences": [],
      "attribute_label_errors": [],
      "exact_missing_events": [],
      "exact_extra_events": [],
      "xml_forward_gaps_not_rests": [],
      "xml_time_extent_quarters": "4",
      "text_label_errors": [],
      "source_chord_onset_uncertainties": []
    },
    {
      "number": 28,
      "gold_present": true,
      "xml_present": true,
      "gold_event_count": 2,
      "predicted_event_count": 2,
      "exact": {
        "gold": 2,
        "predicted": 2,
        "matched": 2,
        "missing": 0,
        "extra": 0,
        "precision": 1.0,
        "recall": 1.0,
        "f1": 1.0
      },
      "order_alignment_differences": [],
      "attribute_label_errors": [],
      "exact_missing_events": [],
      "exact_extra_events": [],
      "xml_forward_gaps_not_rests": [],
      "xml_time_extent_quarters": "4",
      "text_label_errors": [],
      "source_chord_onset_uncertainties": []
    },
    {
      "number": 29,
      "gold_present": true,
      "xml_present": true,
      "gold_event_count": 8,
      "predicted_event_count": 8,
      "exact": {
        "gold": 8,
        "predicted": 8,
        "matched": 8,
        "missing": 0,
        "extra": 0,
        "precision": 1.0,
        "recall": 1.0,
        "f1": 1.0
      },
      "order_alignment_differences": [],
      "attribute_label_errors": [],
      "exact_missing_events": [],
      "exact_extra_events": [],
      "xml_forward_gaps_not_rests": [],
      "xml_time_extent_quarters": "4",
      "text_label_errors": [],
      "source_chord_onset_uncertainties": []
    },
    {
      "number": 30,
      "gold_present": true,
      "xml_present": true,
      "gold_event_count": 5,
      "predicted_event_count": 5,
      "exact": {
        "gold": 5,
        "predicted": 5,
        "matched": 5,
        "missing": 0,
        "extra": 0,
        "precision": 1.0,
        "recall": 1.0,
        "f1": 1.0
      },
      "order_alignment_differences": [],
      "attribute_label_errors": [],
      "exact_missing_events": [],
      "exact_extra_events": [],
      "xml_forward_gaps_not_rests": [],
      "xml_time_extent_quarters": "4",
      "text_label_errors": [],
      "source_chord_onset_uncertainties": []
    },
    {
      "number": 31,
      "gold_present": true,
      "xml_present": true,
      "gold_event_count": 8,
      "predicted_event_count": 8,
      "exact": {
        "gold": 8,
        "predicted": 8,
        "matched": 8,
        "missing": 0,
        "extra": 0,
        "precision": 1.0,
        "recall": 1.0,
        "f1": 1.0
      },
      "order_alignment_differences": [],
      "attribute_label_errors": [],
      "exact_missing_events": [],
      "exact_extra_events": [],
      "xml_forward_gaps_not_rests": [],
      "xml_time_extent_quarters": "4",
      "text_label_errors": [],
      "source_chord_onset_uncertainties": []
    },
    {
      "number": 32,
      "gold_present": true,
      "xml_present": true,
      "gold_event_count": 2,
      "predicted_event_count": 2,
      "exact": {
        "gold": 2,
        "predicted": 2,
        "matched": 2,
        "missing": 0,
        "extra": 0,
        "precision": 1.0,
        "recall": 1.0,
        "f1": 1.0
      },
      "order_alignment_differences": [],
      "attribute_label_errors": [],
      "exact_missing_events": [],
      "exact_extra_events": [],
      "xml_forward_gaps_not_rests": [],
      "xml_time_extent_quarters": "4",
      "text_label_errors": [],
      "source_chord_onset_uncertainties": []
    }
  ],
  "diagnostic_field_error_counts": {
    "attribute_label_errors": 0
  },
  "xml_totals": {
    "notes": 147,
    "rests": 32,
    "forward_gaps": 0
  },
  "text_comparison": {
    "summary": "Lyric and chord strings use NFC normalization with whitespace removed. All measures and every observed label are included in order comparison. Lyric exact-onset metrics use locked source note anchors, validated against current note IDs/onsets/durations. 0 chord onset ambiguities remain source uncertainty and are never forced to zero.",
    "metrics": {
      "lyrics_order_tokens": {
        "gold": 147,
        "predicted": 147,
        "ordered_matches": 147,
        "precision": 1.0,
        "recall": 1.0,
        "f1": 1.0
      },
      "lyrics_exact_onset": {
        "gold": 147,
        "predicted": 147,
        "matched": 147,
        "missing": 0,
        "extra": 0,
        "precision": 1.0,
        "recall": 1.0,
        "f1": 1.0
      },
      "chords_order_symbols": {
        "gold": 34,
        "predicted": 34,
        "ordered_matches": 34,
        "precision": 1.0,
        "recall": 1.0,
        "f1": 1.0
      },
      "chords_exact_onset_certain_measures_only": {
        "gold": 34,
        "predicted": 34,
        "matched": 34,
        "missing": 0,
        "extra": 0,
        "precision": 1.0,
        "recall": 1.0,
        "f1": 1.0
      }
    },
    "chord_exact_onset_scored_measures": [
      1,
      2,
      3,
      4,
      5,
      6,
      7,
      8,
      9,
      10,
      11,
      12,
      13,
      14,
      15,
      16,
      17,
      18,
      19,
      20,
      21,
      22,
      23,
      24,
      25,
      26,
      27,
      28,
      29,
      30,
      31,
      32
    ],
    "all_source_certain_chord_onsets": {
      "gold": 34,
      "matched": 34,
      "recall": 1.0,
      "note": "Recall only; full precision is not defined across measures containing unresolved source chord onsets."
    },
    "lyric_character_edit_distance": 0,
    "gold_lyric_character_count": 147,
    "lyric_character_error_rate": 0.0,
    "ambiguous_source_chord_onsets": [],
    "errors": []
  }
}