Pollstar A Little Song, A Little Dancehttp://www.pollstar.com/blogs/news/archive/2009/06/23/674769.aspxWhat hath “Dreamgirls,” “Mama Mia!,” “Hairspray” and “High School Musical” wrought? Cher , Christina Aguilera and Julianne Hough jump on the big-budget movie musical bandwagon.enCommunityServer 2008 SP1 (Build: 30619.63)