Instrumental Duet Instrumental Duet,Tuba - Level 3 - Digital Download SKU: A0.1093477 By Shaun Humphries. By Alessandro Scarlatti. Arranged by Shaun Humphries. Baroque,Contest,Festival,Traditional. Score and parts. 3 pages. Shaun Humphries #697539. Published by Shaun Humphries (A0.1093477). 3 wonderful short pieces by Scarlatti arranged for two tubas. This arrangement puts the more challenging role in the first tuba part, giving a real chance for the performer to show musical flair and agility. The three movements have been selected to provide contrast and this arrangement could be used in full, or a singular movement used alone.