diavaste ayto to billiboard apanda se mia erwtish enos fun gia tis pouliseis ton album kai epityxies ton singl
http://www.billboard.com/bbcom/esearch/article_display.jsp?vnu_content_id=1003819200
http://www.billboard.com/bbcom/esearch/article_display.jsp?vnu_content_id=1003819200