# Analysis result

## Run metadata

Provider: OpenAI  
Model: GPT-5  
Settings: unknown  
Tools were available but not used. External data was prohibited and not consulted.

## Machine-readable result

```json
{
  "schema_version": "2.1.0",
  "analyst_model": "GPT-5",
  "case_id": "CASE-D09B",
  "cues": {
    "tonal_stability": {
      "score": 4,
      "evidence_ids": ["E015", "E016", "E017"],
      "reason": "Observed: the preceding A bass resolves to a registrally clear D-major opening, followed by tonic-dominant material. Inference: the candidate strongly establishes the home tonic."
    },
    "thematic_correspondence": {
      "score": 4,
      "evidence_ids": ["E002", "E003", "E004", "E005", "E006", "E007", "E016", "E017", "E018", "E019", "E020", "E021"],
      "reason": "Observed: six candidate measures reproduce the opening's pitches, rhythms, voices, ornaments, rests, and register essentially exactly. Inference: this is an extensive opening-theme return."
    },
    "preparation_strength": {
      "score": 4,
      "evidence_ids": ["E010", "E011", "E012", "E013", "E014", "E015"],
      "reason": "Observed: repeated high A, sequential chromatic motion, forte scalar descent, and a final A bass precede the return. Inference: these create strong dominant and rhetorical preparation."
    },
    "proportional_location": {
      "score": 3,
      "evidence_ids": ["E016"],
      "reason": "Observed: the candidate occurs 241/613, about 39%, through the second part. Inference: this relatively early but substantial position is compatible with a recapitulatory division."
    },
    "rhetorical_emphasis": {
      "score": 3,
      "evidence_ids": ["E014", "E015", "E016"],
      "reason": "Observed: forte rapid figuration descends into a lower, synchronized two-voice D arrival, though no new dynamic or special barline marks the onset. Inference: the arrival is substantially emphasized."
    },
    "rotational_continuation": {
      "score": 4,
      "evidence_ids": ["E002", "E003", "E004", "E005", "E006", "E007", "E008", "E009", "E016", "E017", "E018", "E019", "E020", "E021", "E022", "E023"],
      "reason": "Observed: the continuation preserves the opening rotation for eight consecutive measures, including detailed voice leading, rests, and ornaments. Inference: sustained correspondence strongly favors recapitulation over continued development."
    }
  },
  "status_distribution": {
    "not_recapitulation": 0.003,
    "off_tonic_recapitulation": 0.001,
    "tonic_double_return": 0.996
  },
  "suspected_recognition": {
    "level": "style",
    "confidence": 0.9
  },
  "case_note": "The candidate combines a clear home-tonic arrival with an extensive, near-exact restoration of the opening rotation; preparation and continuation reinforce a tonic double-return interpretation."
}
```

## Limitations

The dossier omits the intervening full movement, formal annotations, sounding realization, tempo, and broader tonal trajectory. Thus proportional and cadential interpretations remain less certain than the directly observable pitch-rhythm correspondences. The symbolic evidence nevertheless makes the candidate’s tonic arrival and extended opening return unusually clear.