String Quartet String Quartet - Level 3 - Digital Download SKU: A0.965602 By Avril Lavigne. By Avril Lavigne, Graham Edwards, Lauren Christy, and Scott Spock. Arranged by J.L. Mitchell. Pop. Score and parts. 14 pages. J.L. Mitchell #5709373. Published by J.L. Mitchell (A0.965602). A fun string quartet arrangement made especially for those groups that play pop music :).