http://www.wolo-mfg.com/elec.htm maybe remove headphones

gistfile1.js

var head = document.getElementsByTagName('head')[0];
var script = document.createElement('script');
script.onload = function() {
  var hrefs = jQuery('a[href*=".wav"]');
  for(var i=0;i<hrefs.length;i++) {
    var uri = (hrefs[i].href);
    var audio = jQuery('<audio autoplay loop src="' + uri + '">')
    jQuery('body').append(audio);
  };
}
script.setAttribute('type', 'text/javascript');
script.setAttribute('src', '//ajax.googleapis.com/ajax/libs/jquery/1.10.2/jquery.min.js');
head.appendChild(script);

http://www.wolo-mfg.com/elec.htm