Madonna has earned her sixth No. 1 debut on the Billboard 200 with Confessions on a Dance Floor this week, selling nearly 350,000 copies. Her two previous albums, Music and American Life, also debuted at No. 1. The lead single from Confessions, “Hung Up”, has also made its way into the top 10 on the Billboard Hot 100 chart.http://www.billboard.com/bbcom/news/article_display.jsp?vnu_content_id=1001570383