Mariah Carey Coaches Carly Smithson On How to Sing "Without You" Tweet July 26, 2012 by Tiffany Wan Related: American Idol, Mariah Carey Credit: YouTube During Season 7 of American Idol, the contestants took on the songs of Mariah Carey. The diva herself made an appearance to coach the singers through her hits. With Carly Smithson, Mariah helped her work through the hit ballad "Without You."
