{
  "status": "success",
  "features": {
    "bpm": 95.02,
    "bpm_confidence": 1.0,
    "key": "G major",
    "key_confidence": 0.8682,
    "duration_s": 251.43,
    "loudness_lufs": -12.02,
    "peak_dbfs": 0.96,
    "dynamic_range_db": 15.32,
    "stereo_width_pct": 5.37,
    "spectrum": {
      "sub_pct": 10.57,
      "bass_pct": 56.62,
      "low_mid_pct": 21.8,
      "mid_pct": 7.53,
      "high_mid_pct": 1.33,
      "air_pct": 2.08,
      "centroid_hz": 639.0,
      "rolloff_hz": 584.4
    },
    "rhythm": {
      "onset_density": 3.87,
      "beat_regularity": 0.016,
      "zero_crossing_rate": 0.058892
    },
    "sections": [
      {
        "label": "intro",
        "start_s": 0.0,
        "end_s": 11.47
      },
      {
        "label": "bridge",
        "start_s": 11.47,
        "end_s": 17.16
      },
      {
        "label": "bridge",
        "start_s": 17.16,
        "end_s": 23.43
      },
      {
        "label": "verse",
        "start_s": 23.43,
        "end_s": 27.21
      },
      {
        "label": "verse",
        "start_s": 27.21,
        "end_s": 30.38
      },
      {
        "label": "verse",
        "start_s": 30.38,
        "end_s": 31.01
      },
      {
        "label": "chorus",
        "start_s": 31.01,
        "end_s": 85.32
      },
      {
        "label": "chorus",
        "start_s": 85.32,
        "end_s": 85.97
      },
      {
        "label": "chorus",
        "start_s": 85.97,
        "end_s": 87.85
      },
      {
        "label": "chorus",
        "start_s": 87.85,
        "end_s": 89.79
      },
      {
        "label": "chorus",
        "start_s": 89.79,
        "end_s": 147.85
      },
      {
        "label": "chorus",
        "start_s": 147.85,
        "end_s": 149.75
      },
      {
        "label": "chorus",
        "start_s": 149.75,
        "end_s": 150.38
      },
      {
        "label": "chorus",
        "start_s": 150.38,
        "end_s": 151.01
      },
      {
        "label": "chorus",
        "start_s": 151.01,
        "end_s": 153.57
      },
      {
        "label": "chorus",
        "start_s": 153.57,
        "end_s": 156.08
      },
      {
        "label": "chorus",
        "start_s": 156.08,
        "end_s": 169.34
      },
      {
        "label": "chorus",
        "start_s": 169.34,
        "end_s": 169.99
      },
      {
        "label": "chorus",
        "start_s": 169.99,
        "end_s": 188.91
      },
      {
        "label": "verse",
        "start_s": 188.91,
        "end_s": 190.8
      },
      {
        "label": "chorus",
        "start_s": 190.8,
        "end_s": 209.11
      },
      {
        "label": "chorus",
        "start_s": 209.11,
        "end_s": 211.64
      },
      {
        "label": "chorus",
        "start_s": 211.64,
        "end_s": 233.81
      },
      {
        "label": "verse",
        "start_s": 233.81,
        "end_s": 251.43
      },
      {
        "label": "outro",
        "start_s": 251.43,
        "end_s": 251.43
      }
    ],
    "chromagram": {
      "C": 0.4952,
      "C#": 0.4104,
      "D": 0.4822,
      "D#": 0.4216,
      "E": 0.4323,
      "F": 0.3286,
      "F#": 0.3587,
      "G": 0.4592,
      "G#": 0.3138,
      "A": 0.3702,
      "A#": 0.3072,
      "B": 0.4217
    },
    "mfcc_mean": [
      -176.5769,
      115.8035,
      1.448,
      39.1185,
      -5.1443,
      23.0743,
      -15.3702,
      12.8413,
      -9.2493,
      2.8214,
      -9.5657,
      3.2175,
      -1.3202
    ]
  },
  "elapsed_s": 31.43
}