“At the end of “Praying,” Kesha lets out a little sigh of relief. She has just screamed her head off, rising above a jubilant choir at the climax of her first new song in four years. But lyrically, the ballad is slightly restrained, at least considering all she’s been through. It’s like telling the person who ruined your life to “take care” when you really mean “fuck you.” Only once does she truly ”