Sample output of Echonest Analyze API.

echnest-analyze.json

{
  "beats": [
    {
      "start": 0.06643,
      "duration": 0.467,
      "confidence": 0.83
    },
    { "more": "beat data..." }
  ],
 
  "segments": [
    {
      "start": 101.28803,
      "duration": 0.24649,
      "confidence": 1,
      "loudness_start": -28.726,
      "loudness_max_time": 0.0313,
      "loudness_max": -7.937,
      "pitches": [
        0.499,
        0.965,
        0.35,
        0.689,
        0.351,
        0.123,
        0.264,
        0.791,
        1,
        0.084,
        0.048,
        0.077
      ],
      "timbre": [
        42.176,
        -12.167,
        -120.179,
        -7.085,
        -2.676,
        53.153,
        -9.249,
        22.261,
        17.864,
        12.085,
        41.372,
        -14.442
      ]
    },
    { "more": "segment data..." }
  ]
}