Guitar,Piano,Vocal,Voice - Level 4 - Digital Download SKU: A0.1278178 By Hiroyuki Sawano. By Canon and Hiroyuki Sawano. Arranged by Mopianic. Pop. Score. 2 pages. Mopianic #869875. Published by Mopianic (A0.1278178). Attack on Titan! OST Call of Silence Gemie Hiroyuki Sawano Arranged for piano solo intermediate level Twitter https://twitter.com/MopianicYm.