Instrumental Duet Cello,Instrumental Duet,Viola - Level 2 - Digital Download SKU: A0.852095 By Taylor Swift. By Johan Schuster, Max Martin, Shellback, and Taylor Swift. Arranged by Caroline McCaskey. Pop. Score and parts. 5 pages. AltStrings #2832865. Published by AltStrings (A0.852095). Ideal for players with 3-4 years of playing experience.