Leonardo DiCaprio and Carey Mulligan star in Baz Lurhmann's adaptation of The Great Gatsby — but the new film's music is so bold it may as well be a character, too. Courtesy of Warner Bros. Picture hide caption

itoggle caption Courtesy of Warner Bros. Picture

Kanye West and Jay-Z perform onstage at The Cosmopolitan Grand Opening and New Year's Eve Celebration on December 31, 2010 in Las Vegas, Nevada. Kevin Mazur/Getty hide caption

itoggle caption Kevin Mazur/Getty