{
  "status": "success",
  "overall": 8.08,
  "grade": "A",
  "needs_review": false,
  "showcase_candidate": true,
  "flags": [],
  "dimensions": {
    "production": {
      "score": 7.5,
      "issues": [
        "Peak at 0.0 dBFS, likely clipping",
        "Stereo width very narrow (2.4%)"
      ],
      "metrics": {
        "lufs": -8.7,
        "crest": 10.5,
        "peak": 0.0,
        "width": 2.4000000953674316,
        "low_pct": 58.70000076293945,
        "mid_pct": 38.0,
        "high_pct": 3.299999952316284,
        "genre": "pop",
        "freq_deviation": 4.7
      }
    },
    "lyrics_fit": {
      "score": 8.5,
      "issues": [
        "Lyrics too dense (30.6 chars/sec), may not fit timing"
      ],
      "density": 30.58,
      "rhyme_ratio": 0.424,
      "repetition_ratio": 0.225,
      "line_count": 80,
      "has_verse": true,
      "has_chorus": true
    },
    "originality": {
      "score": 9.31,
      "similarity_pct": 6.9,
      "issues": []
    },
    "melody_proxy": {
      "score": 6.4,
      "factors": {
        "key_confidence": 0.8434,
        "beat_regularity": 0.7187,
        "bpm_confidence": 0.4967,
        "chromagram_focus": 0.0392
      },
      "issues": [
        "Unclear tempo (BPM confidence 0.50)",
        "Chromagram very spread, weak tonal focus"
      ]
    },
    "vocal_presence": {
      "score": 8.0,
      "mid_pct": 38.0,
      "centroid": 736.0,
      "issues": [
        "Mid-range energy moderate (38.0%), vocals may not stand out",
        "Spectral centroid low (736Hz), mix is bass-heavy"
      ]
    },
    "aesthetic": {
      "score": 8.71,
      "sub_scores": {
        "musicality": 8.5,
        "vocal_quality": 8.5,
        "arrangement": 9.2,
        "emotional_impact": 8.8
      },
      "summary": "A high-energy, experimental track with a gritty, well-produced industrial aesthetic. The vocal performance is raw and commanding, perfectly complementing the heavy, syncopated arrangement.",
      "issues": [],
      "model": "gemini-3.1-flash-lite-preview",
      "songs_scored": 2,
      "per_song": [
        {
          "score": 8.95,
          "sub_scores": {
            "musicality": 8.5,
            "vocal_quality": 9.0,
            "arrangement": 9.5,
            "emotional_impact": 9.0
          },
          "summary": "A high-energy, experimental track with a gritty, well-produced industrial aesthetic. The vocal performance is raw and commanding, perfectly complementing the heavy, syncopated arrangement.",
          "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 highly creative and technically impressive experimental track that successfully blends industrial grit with a blues-infused hip-hop groove. The production quality is exceptional, featuring a well-de",
          "issues": [],
          "model": "gemini-3.1-flash-lite-preview",
          "file": "suno_mixed_1.mp3",
          "index": 1
        }
      ]
    }
  },
  "elapsed_s": 0.006
}