Sia gets serious on the somber ballad "Angel by the Wings," a sweeping track she recorded for the documentary "The Eagle Huntress." The movie tells the story of a 13-year-old Mongolian girl… By Gil ...

Sia released motivational ballad “Angel By the Wings,” from the Otto Bell documentary The Eagle Huntress, as an official single. “You can do anything,” the singer croons over stark piano chords. The ...