Instrumental Duet Cello,Instrumental Duet,Viola - Level 4 - Digital Download SKU: A0.815153 By Adele. By Adele Adkins and Paul Epworth. Arranged by Julie Doubleday. Pop,R & B. Score and parts. 9 pages. Julie Doubleday #6571687. Published by Julie Doubleday (A0.815153). Skyfall for Viola and Violoncello Duet.