E=MC² (an abbreviation of Emancipation=Mariah Carey²) is the eleventh studio album by American singer-songwriter Mariah Carey. It was released in the United States on April 15, 2008 by Island Records. The singer began recording the album in 2007 in Anguilla, after writing and composing most of its material during and after her 2006 Adventures of Mimi Tour. Carey worked with several notable songwriters and producers during the course of the project, including Jermaine Dupri, Bryan-Michael Cox, Stargate, The-Dream, Tricky Stewart, Scott Storch and Danja. User-contributed text is available under the Creative Commons By-SA License; additional terms may apply.