Unstoppable

"Unstoppable" is a song by Australian singer-songwriter Sia. It was released as the third single from her seventh studio album, "This Is Acting," in 2016. The song, written by Sia and Christopher Braide, is a pop anthem that showcases Sia's powerful vocals and inspiring lyrics. As for trivia, the song was originally written for another artist, Katy Perry, but was eventually recorded by Sia herself. The melody of "Unstoppable" is characterized by its energetic beat, uplifting chorus, and Sia's distinct vocal range, making it a motivational and empowering track.