{
  "status": "success",
  "overall": 8.57,
  "grade": "S",
  "needs_review": false,
  "showcase_candidate": true,
  "flags": [],
  "dimensions": {
    "production": {
      "score": 8.5,
      "issues": [
        "Peak at 0.3 dBFS, likely clipping"
      ],
      "metrics": {
        "lufs": -10.3,
        "crest": 12.399999618530273,
        "peak": 0.30000001192092896,
        "width": 6.699999809265137,
        "low_pct": 64.0,
        "mid_pct": 27.299999237060547,
        "high_pct": 8.699999809265137,
        "genre": "rock",
        "freq_deviation": 8.0
      }
    },
    "lyrics_fit": {
      "score": 8.5,
      "issues": [
        "Lyrics too dense (19.6 chars/sec), may not fit timing"
      ],
      "density": 19.64,
      "rhyme_ratio": 0.491,
      "repetition_ratio": 0.24,
      "line_count": 75,
      "has_verse": true,
      "has_chorus": true
    },
    "originality": {
      "score": 9.05,
      "similarity_pct": 9.5,
      "issues": []
    },
    "melody_proxy": {
      "score": 7.52,
      "factors": {
        "key_confidence": 0.818,
        "beat_regularity": 0.8587,
        "bpm_confidence": 1.0,
        "chromagram_focus": 0.0082
      },
      "issues": [
        "Chromagram very spread, weak tonal focus"
      ]
    },
    "vocal_presence": {
      "score": 8.5,
      "mid_pct": 27.3,
      "centroid": 1203.0,
      "issues": [
        "Mid-range energy moderate (27.3%), vocals may not stand out"
      ]
    },
    "aesthetic": {
      "score": 8.97,
      "sub_scores": {
        "musicality": 9.0,
        "vocal_quality": 9.0,
        "arrangement": 9.5,
        "emotional_impact": 8.5
      },
      "summary": "A highly polished, professional-grade pop-funk track with a tight, infectious groove and excellent vocal delivery that feels authentic and modern.",
      "issues": [],
      "model": "gemini-3.1-flash-lite-preview",
      "songs_scored": 2,
      "per_song": [
        {
          "score": 8.97,
          "sub_scores": {
            "musicality": 9.0,
            "vocal_quality": 9.0,
            "arrangement": 9.5,
            "emotional_impact": 8.5
          },
          "summary": "A highly polished, professional-grade pop-funk track with a tight, infectious groove and excellent vocal delivery that feels authentic and modern.",
          "issues": [],
          "model": "gemini-3.1-flash-lite-preview",
          "file": "suno_mixed_0.mp3",
          "index": 0
        },
        {
          "score": 8.97,
          "sub_scores": {
            "musicality": 9.0,
            "vocal_quality": 9.0,
            "arrangement": 9.5,
            "emotional_impact": 8.5
          },
          "summary": "A highly professional, polished production with a tight, infectious funk-pop groove and excellent vocal delivery that captures a modern R&B aesthetic perfectly.",
          "issues": [],
          "model": "gemini-3.1-flash-lite-preview",
          "file": "suno_mixed_1.mp3",
          "index": 1
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      ]
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  },
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}