{
  "status": "success",
  "overall": 8.64,
  "grade": "S",
  "needs_review": false,
  "showcase_candidate": true,
  "flags": [],
  "dimensions": {
    "production": {
      "score": 8.5,
      "issues": [
        "Peak at 0.1 dBFS, likely clipping"
      ],
      "metrics": {
        "lufs": -9.4,
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        "genre": "pop",
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      "score": 8.5,
      "issues": [
        "Lyrics too dense (39.5 chars/sec), may not fit timing"
      ],
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      "rhyme_ratio": 0.371,
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      "line_count": 61,
      "has_verse": true,
      "has_chorus": true
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      "similarity_pct": 0.0,
      "issues": []
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      "score": 7.53,
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        "beat_regularity": 0.9493,
        "bpm_confidence": 1.0,
        "chromagram_focus": 0.0116
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      "issues": [
        "Chromagram very spread, weak tonal focus"
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    "vocal_presence": {
      "score": 10.0,
      "mid_pct": 49.3,
      "centroid": 897.0,
      "issues": []
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    "aesthetic": {
      "score": 8.47,
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        "musicality": 8.5,
        "vocal_quality": 8.0,
        "arrangement": 9.0,
        "emotional_impact": 8.5
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      "summary": "A sophisticated fusion of Gufeng and modern R&B, featuring a well-layered arrangement and an intimate, evocative vocal performance.",
      "issues": [],
      "model": "gemini-3.1-flash-lite-preview",
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        {
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            "musicality": 8.5,
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            "arrangement": 9.0,
            "emotional_impact": 8.5
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          "summary": "A sophisticated fusion of Gufeng and modern R&B, featuring a well-layered arrangement and an intimate, evocative vocal performance.",
          "issues": [],
          "model": "gemini-3.1-flash-lite-preview",
          "file": "suno_mixed_0.mp3",
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        {
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          "sub_scores": {
            "musicality": 8.5,
            "vocal_quality": 8.0,
            "arrangement": 9.0,
            "emotional_impact": 8.5
          },
          "summary": "A sophisticated blend of Gufeng and modern R&B with a well-layered arrangement and an evocative, atmospheric production style.",
          "issues": [],
          "model": "gemini-3.1-flash-lite-preview",
          "file": "suno_mixed_1.mp3",
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}