{
  "status": "success",
  "overall": 7.87,
  "grade": "A",
  "needs_review": false,
  "showcase_candidate": false,
  "flags": [],
  "dimensions": {
    "production": {
      "score": 8.5,
      "issues": [
        "Peak at 0.0 dBFS, likely clipping"
      ],
      "metrics": {
        "lufs": -10.5,
        "crest": 10.699999809265137,
        "peak": 0.0,
        "width": 3.4000000953674316,
        "low_pct": 85.30000305175781,
        "mid_pct": 12.699999809265137,
        "high_pct": 2.0,
        "genre": "edm",
        "freq_deviation": 1.3
      }
    },
    "lyrics_fit": {
      "score": 8.5,
      "issues": [
        "Lyrics too dense (23.4 chars/sec), may not fit timing"
      ],
      "density": 23.38,
      "rhyme_ratio": 0.408,
      "repetition_ratio": 0.193,
      "line_count": 88,
      "has_verse": true,
      "has_chorus": true
    },
    "originality": {
      "score": 9.13,
      "similarity_pct": 8.7,
      "issues": []
    },
    "melody_proxy": {
      "score": 7.51,
      "factors": {
        "key_confidence": 0.8762,
        "beat_regularity": 0.8027,
        "bpm_confidence": 1.0,
        "chromagram_focus": 0.0044
      },
      "issues": [
        "Chromagram very spread, weak tonal focus"
      ]
    },
    "vocal_presence": {
      "score": 4.5,
      "mid_pct": 12.7,
      "centroid": 349.0,
      "issues": [
        "Mid-range energy low (12.7%), vocals likely buried",
        "Spectral centroid very low (349Hz), very bass-heavy",
        "Both mid energy and centroid suggest poor vocal presence"
      ]
    },
    "aesthetic": {
      "score": 8.72,
      "sub_scores": {
        "musicality": 8.5,
        "vocal_quality": 9.0,
        "arrangement": 9.0,
        "emotional_impact": 8.5
      },
      "summary": "A sophisticated, atmospheric track that masterfully blends minimalist dark pop with trap elements; the intimate vocal performance and precise, punchy production create a compelling, moody soundscape.",
      "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 sophisticated, atmospheric track that masterfully blends minimalist dark pop with trap elements; the intimate vocal performance and precise, punchy production create a compelling, moody soundscape.",
          "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, atmospheric track with a sophisticated, minimalist arrangement that perfectly complements the intimate and expressive vocal performance.",
          "issues": [],
          "model": "gemini-3.1-flash-lite-preview",
          "file": "suno_mixed_1.mp3",
          "index": 1
        }
      ]
    }
  },
  "elapsed_s": 0.004
}