When an American Idol -like competition comes to Atlanta, Kaliaand Mariama Jefferson (sisters who couldn't be more different)stop arguing long enough to agree on one thing: Kalia has to tryout. A senior at a prestigious performing arts high school, Kaliahas a shot at making her dream come true. And with sixteen-year-old Mariama cheering her on, Kalia sings her heart out, eager to beat thousands of other hopefuls. But when Kalia makes the top twenty,...