Alto Saxophone Solo - Level 1 - Digital Download SKU: A0.1121212 By David Guetta Featuring Sia. By David Guetta, Giorgio Tuinfort, Nick Van De Wall, and Sia. Arranged by Steffan Daniël. Pop,Rock. Individual part. 2 pages. Steffan Daniël #722385. Published by Steffan Daniël (A0.1121212). Titanium for Eb instruments (alto sax, baritone sax).