{
  "status": "success",
  "overall": 8.44,
  "grade": "A",
  "needs_review": false,
  "showcase_candidate": true,
  "flags": [],
  "dimensions": {
    "production": {
      "score": 7.5,
      "issues": [
        "Frequency balance somewhat off for pop (avg deviation 18%)",
        "Peak at 0.3 dBFS, likely clipping"
      ],
      "metrics": {
        "lufs": -10.5,
        "crest": 13.0,
        "peak": 0.30000001192092896,
        "width": 7.699999809265137,
        "low_pct": 26.600000381469727,
        "mid_pct": 70.5,
        "high_pct": 2.9000000953674316,
        "genre": "pop",
        "freq_deviation": 18.3
      }
    },
    "lyrics_fit": {
      "score": 8.5,
      "issues": [
        "Lyrics too dense (21.4 chars/sec), may not fit timing"
      ],
      "density": 21.37,
      "rhyme_ratio": 0.392,
      "repetition_ratio": 0.176,
      "line_count": 51,
      "has_verse": true,
      "has_chorus": true
    },
    "originality": {
      "score": 9.33,
      "similarity_pct": 6.7,
      "issues": []
    },
    "melody_proxy": {
      "score": 7.53,
      "factors": {
        "key_confidence": 0.9433,
        "beat_regularity": 0.796,
        "bpm_confidence": 1.0,
        "chromagram_focus": 0.0172
      },
      "issues": [
        "Chromagram very spread, weak tonal focus"
      ]
    },
    "vocal_presence": {
      "score": 9.5,
      "mid_pct": 70.5,
      "centroid": 552.0,
      "issues": [
        "Spectral centroid low (552Hz), mix is bass-heavy"
      ]
    },
    "aesthetic": {
      "score": 8.62,
      "sub_scores": {
        "musicality": 8.5,
        "vocal_quality": 9.0,
        "arrangement": 8.5,
        "emotional_impact": 8.5
      },
      "summary": "A highly effective lo-fi indie pop track with an intimate, authentic vocal performance and a well-textured, organic arrangement.",
      "issues": [],
      "model": "gemini-3.1-flash-lite-preview",
      "songs_scored": 2,
      "per_song": [
        {
          "score": 8.62,
          "sub_scores": {
            "musicality": 8.5,
            "vocal_quality": 9.0,
            "arrangement": 8.5,
            "emotional_impact": 8.5
          },
          "summary": "A highly effective lo-fi indie pop track with an intimate, authentic vocal performance and a well-textured, organic arrangement.",
          "issues": [],
          "model": "gemini-3.1-flash-lite-preview",
          "file": "suno_mixed_0.mp3",
          "index": 0
        },
        {
          "score": 8.62,
          "sub_scores": {
            "musicality": 8.5,
            "vocal_quality": 9.0,
            "arrangement": 8.5,
            "emotional_impact": 8.5
          },
          "summary": "A beautifully intimate and authentic-sounding lo-fi track; the close-mic'd production and breathy, natural vocal delivery create a highly immersive and emotive listening experience.",
          "issues": [],
          "model": "gemini-3.1-flash-lite-preview",
          "file": "suno_mixed_1.mp3",
          "index": 1
        }
      ]
    }
  },
  "elapsed_s": 0.004
}