Premise: Nick van de Wall ( born 9 September 1987 ) , professionally known as Afrojack , is a Dutch DJ , record producer and remixer . Pierre David Guetta ( [ david geta ] ; born 7 November 1967 ) is a French DJ , record producer , remixer , and songwriter . Titanium (song) . Taken from Guetta 's fifth studio album , Nothing but the Beat , the song was written by Sia , David Guetta , Giorgio Tuinfort and Afrojack .
Hypothesis: Titanium was written in part by a DJ.
Label: ENTAILMENT