{
  "status": "success",
  "overall": 8.17,
  "grade": "A",
  "needs_review": false,
  "showcase_candidate": true,
  "flags": [],
  "dimensions": {
    "production": {
      "score": 8.0,
      "issues": [
        "Peak at 0.4 dBFS, likely clipping",
        "High frequency presence low (1.4%), mix may sound dull"
      ],
      "metrics": {
        "lufs": -10.0,
        "crest": 11.600000381469727,
        "peak": 0.4000000059604645,
        "width": 11.300000190734863,
        "low_pct": 51.5,
        "mid_pct": 47.099998474121094,
        "high_pct": 1.399999976158142,
        "genre": "pop",
        "freq_deviation": 1.7
      }
    },
    "lyrics_fit": {
      "score": 8.0,
      "issues": [
        "Lyrics too dense (19.6 chars/sec), may not fit timing",
        "Almost no repetition, unusual for song lyrics"
      ],
      "density": 19.62,
      "rhyme_ratio": 0.421,
      "repetition_ratio": 0.0,
      "line_count": 82,
      "has_verse": true,
      "has_chorus": true
    },
    "originality": {
      "score": 8.43,
      "similarity_pct": 15.7,
      "issues": []
    },
    "melody_proxy": {
      "score": 4.93,
      "factors": {
        "key_confidence": 0.9713,
        "beat_regularity": 0.7527,
        "bpm_confidence": 0.0,
        "chromagram_focus": 0.0299
      },
      "issues": [
        "Unclear tempo (BPM confidence 0.00)",
        "Chromagram very spread, weak tonal focus"
      ]
    },
    "vocal_presence": {
      "score": 9.5,
      "mid_pct": 47.1,
      "centroid": 546.0,
      "issues": [
        "Spectral centroid low (546Hz), mix is bass-heavy"
      ]
    },
    "aesthetic": {
      "score": 8.97,
      "sub_scores": {
        "musicality": 8.8,
        "vocal_quality": 9.0,
        "arrangement": 9.2,
        "emotional_impact": 9.0
      },
      "summary": "A masterfully crafted piece of ambient R&B that feels deeply intimate and atmospheric. The production is sophisticated, with a perfect balance between the organic guitar and the warm, evolving synth t",
      "issues": [],
      "model": "gemini-3.1-flash-lite-preview",
      "songs_scored": 2,
      "per_song": [
        {
          "score": 9.22,
          "sub_scores": {
            "musicality": 9.0,
            "vocal_quality": 9.0,
            "arrangement": 9.5,
            "emotional_impact": 9.5
          },
          "summary": "A masterfully crafted piece of ambient R&B that feels deeply intimate and atmospheric. The production is sophisticated, with a perfect balance between the organic guitar and the warm, evolving synth t",
          "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 sophisticated, atmospheric track with a high-fidelity production that perfectly captures an intimate, ambient R&B aesthetic. The vocal performance is nuanced and natural, blending seamlessly with th",
          "issues": [],
          "model": "gemini-3.1-flash-lite-preview",
          "file": "suno_mixed_1.mp3",
          "index": 1
        }
      ]
    }
  },
  "elapsed_s": 0.005
}