{
  "status": "success",
  "overall": 8.5,
  "grade": "S",
  "needs_review": false,
  "showcase_candidate": true,
  "flags": [],
  "dimensions": {
    "production": {
      "score": 8.5,
      "issues": [
        "Peak at 0.2 dBFS, likely clipping"
      ],
      "metrics": {
        "lufs": -9.4,
        "crest": 11.300000190734863,
        "peak": 0.20000000298023224,
        "width": 4.800000190734863,
        "low_pct": 68.5999984741211,
        "mid_pct": 25.700000762939453,
        "high_pct": 5.599999904632568,
        "genre": "rock",
        "freq_deviation": 4.9
      }
    },
    "lyrics_fit": {
      "score": 8.5,
      "issues": [
        "Lyrics too dense (10.9 chars/sec), may not fit timing"
      ],
      "density": 10.87,
      "rhyme_ratio": 0.594,
      "repetition_ratio": 0.319,
      "line_count": 72,
      "has_verse": true,
      "has_chorus": true
    },
    "originality": {
      "score": 9.17,
      "similarity_pct": 8.3,
      "issues": []
    },
    "melody_proxy": {
      "score": 7.51,
      "factors": {
        "key_confidence": 0.8298,
        "beat_regularity": 0.9047,
        "bpm_confidence": 1.0,
        "chromagram_focus": 0.0023
      },
      "issues": [
        "Chromagram very spread, weak tonal focus"
      ]
    },
    "vocal_presence": {
      "score": 8.0,
      "mid_pct": 25.7,
      "centroid": 697.0,
      "issues": [
        "Mid-range energy moderate (25.7%), vocals may not stand out",
        "Spectral centroid low (697Hz), mix is bass-heavy"
      ]
    },
    "aesthetic": {
      "score": 8.97,
      "sub_scores": {
        "musicality": 9.0,
        "vocal_quality": 9.0,
        "arrangement": 9.5,
        "emotional_impact": 8.5
      },
      "summary": "A highly polished, radio-ready Nu-Disco track with an infectious groove and professional, intimate vocal delivery. The arrangement is tight, well-balanced, and demonstrates excellent command of the ge",
      "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, radio-ready Nu-Disco track with an infectious groove and professional, intimate vocal delivery. The arrangement is tight, well-balanced, and demonstrates excellent command of the ge",
          "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 polished, radio-ready Nu-Disco track with excellent production value, tight instrumentation, and a smooth, professional vocal delivery.",
          "issues": [],
          "model": "gemini-3.1-flash-lite-preview",
          "file": "suno_mixed_1.mp3",
          "index": 1
        }
      ]
    }
  },
  "elapsed_s": 0.008
}