Sia’s vocals are iconic for their themes of and strength . In this version, the production often creates more space around her voice during the verses, allowing the "bulletproof" metaphor to hit harder before the instrumentation swells into a celebratory, club-ready anthem. Atmosphere
: Often starting with stripped-back melodic layers to highlight Sia’s raw vocal delivery. David Guetta feat. Sia - Titanium (Single Spark Remix)
: A shift toward synth-heavy, melodic "sparks" that give the remix its namesake, trading Guetta’s original grit for a brighter, more shimmering soundscape. Vocal Treatment Sia’s vocals are iconic for their themes of and strength