Sia, “Music — Songs from and Inspired by the Motion Picture” (Monkey Puzzle/Atlantic) Whatever your thoughts on the new movie “Music,” there can be no argument about the music in it: It's very, very ...

Five years is an eternity in pop. In 2016, This Is Acting, anchored by the moody party hit “Cheap Thrills,” cemented Sia’s status as a pop star. But in the time since, she’s seemed uncertain of her ...