{
  "duration_sec": 3575.57,
  "tempo_beat_track_bpm": 144.23,
  "num_beats_tracked": 8604,
  "median_inter_beat_interval_sec": 0.416,
  "bpm_from_median_ibi": 144.23,
  "change_point_threshold": 0.0207,
  "change_points_sec": [
    40.0,
    120.0,
    465.0,
    505.0,
    710.0,
    825.0,
    880.0,
    950.0,
    990.0,
    1040.0,
    1085.0,
    1115.0,
    1220.0,
    1280.0,
    1310.0,
    1330.0,
    1360.0,
    1475.0,
    1680.0,
    1790.0,
    1810.0,
    1965.0,
    1990.0,
    2070.0,
    2175.0,
    2195.0,
    2510.0,
    2695.0,
    2810.0,
    2905.0,
    2935.0,
    3005.0,
    3030.0,
    3095.0,
    3185.0,
    3230.0,
    3355.0,
    3380.0,
    3420.0,
    3455.0,
    3510.0,
    3540.0
  ],
  "segments": [
    {
      "start_sec": 0.0,
      "end_sec": 40.0,
      "duration_sec": 40.0
    },
    {
      "start_sec": 40.0,
      "end_sec": 120.0,
      "duration_sec": 80.0
    },
    {
      "start_sec": 120.0,
      "end_sec": 465.0,
      "duration_sec": 345.0
    },
    {
      "start_sec": 465.0,
      "end_sec": 505.0,
      "duration_sec": 40.0
    },
    {
      "start_sec": 505.0,
      "end_sec": 710.0,
      "duration_sec": 205.0
    },
    {
      "start_sec": 710.0,
      "end_sec": 825.0,
      "duration_sec": 115.0
    },
    {
      "start_sec": 825.0,
      "end_sec": 880.0,
      "duration_sec": 55.0
    },
    {
      "start_sec": 880.0,
      "end_sec": 950.0,
      "duration_sec": 70.0
    },
    {
      "start_sec": 950.0,
      "end_sec": 990.0,
      "duration_sec": 40.0
    },
    {
      "start_sec": 990.0,
      "end_sec": 1040.0,
      "duration_sec": 50.0
    },
    {
      "start_sec": 1040.0,
      "end_sec": 1085.0,
      "duration_sec": 45.0
    },
    {
      "start_sec": 1085.0,
      "end_sec": 1115.0,
      "duration_sec": 30.0
    },
    {
      "start_sec": 1115.0,
      "end_sec": 1220.0,
      "duration_sec": 105.0
    },
    {
      "start_sec": 1220.0,
      "end_sec": 1280.0,
      "duration_sec": 60.0
    },
    {
      "start_sec": 1280.0,
      "end_sec": 1310.0,
      "duration_sec": 30.0
    },
    {
      "start_sec": 1310.0,
      "end_sec": 1330.0,
      "duration_sec": 20.0
    },
    {
      "start_sec": 1330.0,
      "end_sec": 1360.0,
      "duration_sec": 30.0
    },
    {
      "start_sec": 1360.0,
      "end_sec": 1475.0,
      "duration_sec": 115.0
    },
    {
      "start_sec": 1475.0,
      "end_sec": 1680.0,
      "duration_sec": 205.0
    },
    {
      "start_sec": 1680.0,
      "end_sec": 1790.0,
      "duration_sec": 110.0
    },
    {
      "start_sec": 1790.0,
      "end_sec": 1810.0,
      "duration_sec": 20.0
    },
    {
      "start_sec": 1810.0,
      "end_sec": 1965.0,
      "duration_sec": 155.0
    },
    {
      "start_sec": 1965.0,
      "end_sec": 1990.0,
      "duration_sec": 25.0
    },
    {
      "start_sec": 1990.0,
      "end_sec": 2070.0,
      "duration_sec": 80.0
    },
    {
      "start_sec": 2070.0,
      "end_sec": 2175.0,
      "duration_sec": 105.0
    },
    {
      "start_sec": 2175.0,
      "end_sec": 2195.0,
      "duration_sec": 20.0
    },
    {
      "start_sec": 2195.0,
      "end_sec": 2510.0,
      "duration_sec": 315.0
    },
    {
      "start_sec": 2510.0,
      "end_sec": 2695.0,
      "duration_sec": 185.0
    },
    {
      "start_sec": 2695.0,
      "end_sec": 2810.0,
      "duration_sec": 115.0
    },
    {
      "start_sec": 2810.0,
      "end_sec": 2905.0,
      "duration_sec": 95.0
    },
    {
      "start_sec": 2905.0,
      "end_sec": 2935.0,
      "duration_sec": 30.0
    },
    {
      "start_sec": 2935.0,
      "end_sec": 3005.0,
      "duration_sec": 70.0
    },
    {
      "start_sec": 3005.0,
      "end_sec": 3030.0,
      "duration_sec": 25.0
    },
    {
      "start_sec": 3030.0,
      "end_sec": 3095.0,
      "duration_sec": 65.0
    },
    {
      "start_sec": 3095.0,
      "end_sec": 3185.0,
      "duration_sec": 90.0
    },
    {
      "start_sec": 3185.0,
      "end_sec": 3230.0,
      "duration_sec": 45.0
    },
    {
      "start_sec": 3230.0,
      "end_sec": 3355.0,
      "duration_sec": 125.0
    },
    {
      "start_sec": 3355.0,
      "end_sec": 3380.0,
      "duration_sec": 25.0
    },
    {
      "start_sec": 3380.0,
      "end_sec": 3420.0,
      "duration_sec": 40.0
    },
    {
      "start_sec": 3420.0,
      "end_sec": 3455.0,
      "duration_sec": 35.0
    },
    {
      "start_sec": 3455.0,
      "end_sec": 3510.0,
      "duration_sec": 55.0
    },
    {
      "start_sec": 3510.0,
      "end_sec": 3540.0,
      "duration_sec": 30.0
    },
    {
      "start_sec": 3540.0,
      "end_sec": 3575.6,
      "duration_sec": 35.6
    }
  ],
  "loop_candidate": {
    "lag_sec": 10.0,
    "corr": 0.123
  },
  "method": "librosa beat_track + 5s-window MFCC/centroid/RMS cosine change points; exploratory, clue-grade"
}