{
  "status": "success",
  "features": {
    "bpm": 135.7,
    "bpm_confidence": 0.4517,
    "key": "G minor",
    "key_confidence": 0.9181,
    "duration_s": 59.35,
    "loudness_lufs": -9.94,
    "peak_dbfs": 2.01,
    "dynamic_range_db": 15.41,
    "stereo_width_pct": 13.47,
    "spectrum": {
      "sub_pct": 2.36,
      "bass_pct": 29.3,
      "low_mid_pct": 44.09,
      "mid_pct": 22.04,
      "high_mid_pct": 1.66,
      "air_pct": 0.42,
      "centroid_hz": 771.6,
      "rolloff_hz": 1471.5
    },
    "rhythm": {
      "onset_density": 3.74,
      "beat_regularity": 0.0357,
      "zero_crossing_rate": 0.045825
    },
    "sections": [
      {
        "label": "verse",
        "start_s": 0.0,
        "end_s": 2.14
      },
      {
        "label": "chorus",
        "start_s": 2.14,
        "end_s": 3.0
      },
      {
        "label": "verse",
        "start_s": 3.0,
        "end_s": 3.9
      },
      {
        "label": "chorus",
        "start_s": 3.9,
        "end_s": 4.78
      },
      {
        "label": "verse",
        "start_s": 4.78,
        "end_s": 6.54
      },
      {
        "label": "chorus",
        "start_s": 6.54,
        "end_s": 7.43
      },
      {
        "label": "verse",
        "start_s": 7.43,
        "end_s": 9.18
      },
      {
        "label": "bridge",
        "start_s": 9.18,
        "end_s": 10.07
      },
      {
        "label": "chorus",
        "start_s": 10.07,
        "end_s": 10.91
      },
      {
        "label": "bridge",
        "start_s": 10.91,
        "end_s": 15.36
      },
      {
        "label": "chorus",
        "start_s": 15.36,
        "end_s": 18.02
      },
      {
        "label": "verse",
        "start_s": 18.02,
        "end_s": 19.77
      },
      {
        "label": "verse",
        "start_s": 19.77,
        "end_s": 24.18
      },
      {
        "label": "verse",
        "start_s": 24.18,
        "end_s": 59.35
      }
    ],
    "chromagram": {
      "C": 0.4321,
      "C#": 0.2335,
      "D": 0.4349,
      "D#": 0.2588,
      "E": 0.2109,
      "F": 0.3504,
      "F#": 0.2347,
      "G": 0.6284,
      "G#": 0.2179,
      "A": 0.3094,
      "A#": 0.3421,
      "B": 0.2245
    },
    "mfcc_mean": [
      -187.9413,
      154.7798,
      -26.8718,
      35.1634,
      -8.7229,
      16.372,
      -9.4025,
      -3.2397,
      -6.3808,
      -7.0723,
      0.0854,
      -11.0479,
      2.7625
    ]
  },
  "elapsed_s": 16.62
}