<http://schema.org/mainEntityOfPage>
<http://www.upi.com/Entertainment_News/2007/09/05/High-School-Musical-2-tops-album-charts/77631189029017/>
<http://www.upi.com/Entertainment_News/2007/09/05/High-School-Musical-2-tops-album-charts/UPI-77631189029017/>