{
  "status": "success",
  "overall": 8.11,
  "grade": "A",
  "needs_review": false,
  "showcase_candidate": true,
  "flags": [],
  "dimensions": {
    "production": {
      "score": 8.0,
      "issues": [
        "Peak at 0.0 dBFS, likely clipping",
        "High frequency presence low (1.7%), mix may sound dull"
      ],
      "metrics": {
        "lufs": -10.8,
        "crest": 13.100000381469727,
        "peak": 0.0,
        "width": 10.300000190734863,
        "low_pct": 61.70000076293945,
        "mid_pct": 36.70000076293945,
        "high_pct": 1.7000000476837158,
        "genre": "pop",
        "freq_deviation": 5.6
      }
    },
    "lyrics_fit": {
      "score": 8.5,
      "issues": [
        "Lyrics too dense (21.0 chars/sec), may not fit timing"
      ],
      "density": 20.98,
      "rhyme_ratio": 0.348,
      "repetition_ratio": 0.154,
      "line_count": 78,
      "has_verse": true,
      "has_chorus": true
    },
    "originality": {
      "score": 8.94,
      "similarity_pct": 10.6,
      "issues": []
    },
    "melody_proxy": {
      "score": 7.49,
      "factors": {
        "key_confidence": 0.9355,
        "beat_regularity": 0.7887,
        "bpm_confidence": 1.0,
        "chromagram_focus": 0.011
      },
      "issues": [
        "Chromagram very spread, weak tonal focus"
      ]
    },
    "vocal_presence": {
      "score": 7.0,
      "mid_pct": 36.7,
      "centroid": 497.0,
      "issues": [
        "Mid-range energy moderate (36.7%), vocals may not stand out",
        "Spectral centroid very low (497Hz), very bass-heavy"
      ]
    },
    "aesthetic": {
      "score": 8.6,
      "sub_scores": {
        "musicality": 8.5,
        "vocal_quality": 8.5,
        "arrangement": 9.0,
        "emotional_impact": 8.5
      },
      "summary": "A highly polished and atmospheric Lo-fi R&B track with excellent vocal delivery and a cohesive, professional arrangement that perfectly captures the genre's aesthetic.",
      "issues": [],
      "model": "gemini-3.1-flash-lite-preview",
      "songs_scored": 2,
      "per_song": [
        {
          "score": 8.72,
          "sub_scores": {
            "musicality": 8.5,
            "vocal_quality": 9.0,
            "arrangement": 9.0,
            "emotional_impact": 8.5
          },
          "summary": "A highly polished and atmospheric Lo-fi R&B track with excellent vocal delivery and a cohesive, professional arrangement that perfectly captures the genre's aesthetic.",
          "issues": [],
          "model": "gemini-3.1-flash-lite-preview",
          "file": "suno_mixed_0.mp3",
          "index": 0
        },
        {
          "score": 8.47,
          "sub_scores": {
            "musicality": 8.5,
            "vocal_quality": 8.0,
            "arrangement": 9.0,
            "emotional_impact": 8.5
          },
          "summary": "A polished, well-executed Lo-fi R&B track with a strong, consistent groove and professional production quality that captures a nostalgic, intimate atmosphere.",
          "issues": [],
          "model": "gemini-3.1-flash-lite-preview",
          "file": "suno_mixed_1.mp3",
          "index": 1
        }
      ]
    }
  },
  "elapsed_s": 0.006
}