function syncPlaylist(minutes) {
    var durationMinuteSelectors = document.querySelectorAll('.amplitude-duration-minutes[data-amplitude-playlist="' + _config2.default.active_playlist + '"]');

    for (var i = 0; i < durationMinuteSelectors.length; i++) {
      var songIndex = durationMinuteSelectors[i].getAttribute("data-amplitude-song-index");

      if (songIndex == null) {
        durationMinuteSelectors[i].innerHTML = minutes;
      }
    }
  }
Syncs the playlist duration minutes for the audio.

@param {Integer} minutes - The duration minutes for the audio.