Sia_unstoppable May 2026

: Written by Sia Furler and Christopher Braide, and produced by Jesse Shatkin. It is set in the key of F# minor, utilizing a driving, rhythmic chord progression.

: The song explores the concept of "emotional armor," where the narrator project's an invincible, confident exterior (likened to a "Porsche with no brakes") to mask deep-seated vulnerability and internal struggle. sia_unstoppable

: Originally released on January 21, 2016, as the final promotional single for her seventh studio album, This Is Acting . : Written by Sia Furler and Christopher Braide,