Instrumental Duet Cello,Double Bass,Instrumental Duet - Level 2 - Digital Download SKU: A0.852097 By Taylor Swift. By Johan Schuster, Max Martin, Shellback, and Taylor Swift. Arranged by Caroline McCaskey. Pop. Score and parts. 5 pages. AltStrings #2832869. Published by AltStrings (A0.852097). Ideal for players with 3-4 years of playing experience.