Titanium is a song by David Guetta featuring Sia from the album Nothing but the Beat. It was released as the third single in 2011. The song is in the key of F# minor and has a tempo of 110 beats per minute. The song uses a simple chord progression of F#m-C#-D-A throughout. The song is about inner strength and resilience. The song was very successful and topped the charts in several countries. The song was also remixed with Jay-Z as Numb/Encore and won a Grammy Award.