Listen to Sia's Powerful 'Wonder Woman' Anthem "To Be Human"

Sia has unleashed her Wonder Woman song "To Be Human." The powerful ballad belongs to the motion picture's soundtrack, and features the Australian singer/songwriter and U.K. artist Labrinth. Sia has contributed to quite a few movie soundtracks in recent years. She was featured on The Hunger Games: Catching Fire, Lion, The Neon Demon, Fifty Shades of Grey and Fifty Shades Darker. This time around, Sia offers a motivational anthem for the upcoming DC Films-produced Wonder Woman, starring Gal Gadot...