function syncSong(durationText) {
    if (_config2.default.active_playlist == null) {
      var durationTimeSelectors = document.querySelectorAll('.amplitude-duration-time[data-amplitude-song-index="' + _config2.default.active_index + '"]');

      for (var i = 0; i < durationTimeSelectors.length; i++) {
        var playlist = durationTimeSelectors[i].getAttribute("data-amplitude-playlist");

        if (playlist == null) {
          durationTimeSelectors[i].innerHTML = durationText;
        }
      }
    }
  }
Sync the song duration times.

@param {Object} durationText - The text for the song duration.