{
  "version": 1,
  "format": "lesson tracks, NOT per-word audio",
  "source": "Super Minds class CDs (Baidu share)",
  "count": 1,
  "tracks": [
    {
      "folder": "superminds-1-cd3",
      "folder_title": "美版 super minds 1级 class cd 3",
      "track": "03 曲目 3",
      "file": "audio/lessons/superminds-1-cd3/03.mp3",
      "duration_s": 54.9,
      "bytes": 542576
    }
  ]
}