Cello,Instrumental Duet,Viola - Level 4 - Digital Download SKU: A0.1283751 By James Arthur. By Andrew Frampton, Daniel O'Donoghue, James Arthur, Mark Sheehan, Neil Ormandy, Stephen Kipner, and Steve Solomon. Arranged by Julie Doubleday. Pop. 8 pages. Julie Doubleday #874948. Published by Julie Doubleday (A0.1283751). Say You Won't Let Go by James Arthur.In this arrangements the two instruments share the melody.