Instrumental Duet Cello,Instrumental Duet,Piano - Digital Download SKU: A0.995313 By Sword Art Online. By Yuki Kajiura. Arranged by Marcus Norris Music. Contemporary. Score and parts. 2 pages. Marcus Norris Music #4791635. Published by Marcus Norris Music (A0.995313). Simple, yet beautiful, arrangement of the emotional anime music titled At Our Parting from Sword Art Online.