{
  "status": "success",
  "overall": 8.07,
  "grade": "A",
  "needs_review": false,
  "showcase_candidate": true,
  "flags": [],
  "dimensions": {
    "production": {
      "score": 6.5,
      "issues": [
        "Frequency balance far from hip_hop reference (avg deviation 22%)",
        "Peak at 0.3 dBFS, likely clipping"
      ],
      "metrics": {
        "lufs": -9.3,
        "crest": 12.600000381469727,
        "peak": 0.30000001192092896,
        "width": 18.5,
        "low_pct": 30.399999618530273,
        "mid_pct": 65.80000305175781,
        "high_pct": 3.9000000953674316,
        "genre": "hip_hop",
        "freq_deviation": 21.8
      }
    },
    "lyrics_fit": {
      "score": 8.5,
      "issues": [
        "Lyrics too dense (12.8 chars/sec), may not fit timing"
      ],
      "density": 12.82,
      "rhyme_ratio": 0.453,
      "repetition_ratio": 0.205,
      "line_count": 44,
      "has_verse": true,
      "has_chorus": true
    },
    "originality": {
      "score": 9.99,
      "similarity_pct": 0.1,
      "issues": []
    },
    "melody_proxy": {
      "score": 5.46,
      "factors": {
        "key_confidence": 0.9342,
        "beat_regularity": 0.9,
        "bpm_confidence": 0.119,
        "chromagram_focus": 0.0344
      },
      "issues": [
        "Unclear tempo (BPM confidence 0.12)",
        "Chromagram very spread, weak tonal focus"
      ]
    },
    "vocal_presence": {
      "score": 10.0,
      "mid_pct": 65.8,
      "centroid": 954.0,
      "issues": []
    },
    "aesthetic": {
      "score": 8.57,
      "sub_scores": {
        "musicality": 8.5,
        "vocal_quality": 8.8,
        "arrangement": 8.2,
        "emotional_impact": 8.8
      },
      "summary": "A beautifully produced Mandopop ballad with a clean, professional arrangement and highly emotive, natural-sounding vocals that effectively convey the song's melancholic theme.",
      "issues": [],
      "model": "gemini-3.1-flash-lite-preview",
      "songs_scored": 2,
      "per_song": [
        {
          "score": 8.75,
          "sub_scores": {
            "musicality": 8.5,
            "vocal_quality": 9.0,
            "arrangement": 8.5,
            "emotional_impact": 9.0
          },
          "summary": "A beautifully produced Mandopop ballad with a clean, professional arrangement and highly emotive, natural-sounding vocals that effectively convey the song's melancholic theme.",
          "issues": [],
          "model": "gemini-3.1-flash-lite-preview",
          "file": "suno_mixed_0.mp3",
          "index": 0
        },
        {
          "score": 8.4,
          "sub_scores": {
            "musicality": 8.5,
            "vocal_quality": 8.5,
            "arrangement": 8.0,
            "emotional_impact": 8.5
          },
          "summary": "A well-crafted Mandopop ballad with a strong, evocative atmosphere and a clean, professional arrangement that supports the emotional vocal performance.",
          "issues": [],
          "model": "gemini-3.1-flash-lite-preview",
          "file": "suno_mixed_1.mp3",
          "index": 1
        }
      ]
    }
  },
  "elapsed_s": 0.004
}