{
  "status": "success",
  "overall": 8.61,
  "grade": "S",
  "needs_review": false,
  "showcase_candidate": true,
  "flags": [],
  "dimensions": {
    "production": {
      "score": 7.5,
      "issues": [
        "Frequency balance somewhat off for pop (avg deviation 15%)",
        "Peak at -0.0 dBFS, likely clipping"
      ],
      "metrics": {
        "lufs": -9.2,
        "crest": 12.5,
        "peak": -0.0,
        "width": 10.5,
        "low_pct": 31.100000381469727,
        "mid_pct": 63.79999923706055,
        "high_pct": 5.099999904632568,
        "genre": "pop",
        "freq_deviation": 15.3
      }
    },
    "lyrics_fit": {
      "score": 8.0,
      "issues": [
        "Lyrics too dense (9.7 chars/sec), may not fit timing",
        "Almost no repetition, unusual for song lyrics"
      ],
      "density": 9.71,
      "rhyme_ratio": 0.38,
      "repetition_ratio": 0.02,
      "line_count": 49,
      "has_verse": true,
      "has_chorus": true
    },
    "originality": {
      "score": 9.92,
      "similarity_pct": 0.8,
      "issues": []
    },
    "melody_proxy": {
      "score": 7.51,
      "factors": {
        "key_confidence": 0.8347,
        "beat_regularity": 0.894,
        "bpm_confidence": 1.0,
        "chromagram_focus": 0.0042
      },
      "issues": [
        "Chromagram very spread, weak tonal focus"
      ]
    },
    "vocal_presence": {
      "score": 10.0,
      "mid_pct": 63.8,
      "centroid": 1207.0,
      "issues": []
    },
    "aesthetic": {
      "score": 8.91,
      "sub_scores": {
        "musicality": 8.8,
        "vocal_quality": 9.0,
        "arrangement": 9.2,
        "emotional_impact": 8.8
      },
      "summary": "A highly polished, professional-grade K-pop track with sophisticated orchestration and a dynamic, engaging vocal performance.",
      "issues": [],
      "model": "gemini-3.1-flash-lite-preview",
      "songs_scored": 2,
      "per_song": [
        {
          "score": 9.1,
          "sub_scores": {
            "musicality": 9.0,
            "vocal_quality": 9.0,
            "arrangement": 9.5,
            "emotional_impact": 9.0
          },
          "summary": "A highly polished, professional-grade K-pop track with sophisticated orchestration and a dynamic, engaging vocal performance.",
          "issues": [],
          "model": "gemini-3.1-flash-lite-preview",
          "file": "suno_mixed_0.mp3",
          "index": 0
        },
        {
          "score": 8.72,
          "sub_scores": {
            "musicality": 8.5,
            "vocal_quality": 9.0,
            "arrangement": 9.0,
            "emotional_impact": 8.5
          },
          "summary": "A highly polished and dynamic K-pop track with a sophisticated orchestral arrangement and expressive, natural-sounding vocals.",
          "issues": [],
          "model": "gemini-3.1-flash-lite-preview",
          "file": "suno_mixed_1.mp3",
          "index": 1
        }
      ]
    }
  },
  "elapsed_s": 0.004
}