vent: function (action) {
        var player = this;

        window.ga('audioTracker.send', 'event', {
          eventCategory: 'Paper Audio Player',
          eventAction: action,
          eventLabel: !!player.title ? player.title : player.src,
          eventValue: player.$.audio.currentTime
        });
      },

      _setupGATracking: function () {
        var player = this;

        // check if GA tracking exists on the page
        // if not - load it
        if (window) {
          if (!window.ga) 