Jeannette Walls of MSNBC.com reports that Mariah Carey told Swedish mag Groove that she got her incredible singing range from smoking. “It’s true. The two lowest octaves are probably there because of the smoking,” Carey said. “But of course it’s not good to smoke. I always had a cold and constant throatache.” So she quit, she said. “One day I promised God that if he would give me my voice back I would never smoke again. I got three octaves back after quitting.” Read more.