String Quartet String Quartet - Digital Download SKU: A0.931484 By David Guetta Featuring Sia. By David Guetta, Giorgio Tuinfort, Nick Van De Wall, and Sia. Arranged by Jordan Brown. Pop. Score and parts. 12 pages. Jordan Brown #3478891. Published by Jordan Brown (A0.931484). Here's my string quartet version of David Guetta / Sia's TitaniumIt's a new audience favourite that always goes down a storm during functions and gigs.I always try to write interesting stuff with at least one fun part for each instrument of the ensemble.Double stops on cello and viola are optional