Feature to download mp3 in www.soundowl.com

soundowl.js

var url =  "http://r4.soundowl.com/{id}.mp3";
$('.track_title').each(function(){
	var $this = $(this);
	var id = $this.find('a').eq(1).attr('href').split('/')[2];
	var iconDownload = '<span class="add" style="display:block!important; width:24px; height: 24px; background: url(data:image/png;base64,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);" onclick=javascript:window.open(\''+url.replace(/{id}/, id)+'\');></span>';
	$this.parent('.track_list_item').find('.actions').append(iconDownload);
});