Viola Duet Viola - Level 2 - Digital Download SKU: A0.1474378 By Britney Spears. By Cathy Dennis, Christian Karlsson, Henrik Jonback, and Pontus Winnberg. Arranged by Matt Luff. Pop. Score. 4 pages. Matt Luff #1051998. Published by Matt Luff (A0.1474378). Plays along perfectly with the original recording. Turn the speaker up, jump in and have some fun with this one!