function syncMain(location) {
    /*
    Ensure we have a location that's a number
    */
    location = !isNaN(location) ? location : 0;

    /*
    Gets the main song sliders
    */
    var mainSongSliders = document.querySelectorAll(".amplitude-song-slider");

    /*
    Iterates over all of the main sliders and sets the value to the
    percentage of the song played.
    */
    for (var i = 0; i < mainSongSliders.length; i++) {
      /*
        Grab the playlist and song attributes from the element.
      */
      var playlist = mainSongSliders[i].getAttribute("data-amplitude-playlist");
      var song = mainSongSliders[i].getAttribute("data-amplitude-song-index");

      /*
        This method is responsible for only the global elements,
        so we make sure there are no playlist or songs defined on
        the element.
      */
      if (playlist == null && song == null) {
        mainSongSliders[i].value = location;
      }
    }
  }
Syncs the main slider location

@access public
@param {number} location 	- The location of the song as a percentage.