Sia - Unstoppable (with Rihanna) -

Originally intended for Katy Perry but ultimately recorded by Beyoncé [13, 21]. Theme and Impact

January 2016 as a promotional single for her seventh studio album, This Is Acting [11, 17]. Writers: Sia Furler and Christopher Braide [11]. Producer: Jesse Shatkin [9, 17]. The "This Is Acting" Concept Sia - Unstoppable (With Rihanna)

The song uses metaphors like a "Porsche with no brakes" and "putting my armor on" to describe building confidence and emotional resilience [3, 5]. Originally intended for Katy Perry but ultimately recorded