Hiroyuki Sawano
Hiroyuki Sawano produced and co-composed the music, as well as the opening and ending themes, "X.U." and "scaPEGoat", respectively, with Takafumi Wada, Asami Tachibana, and Megumi Shiraishi. As part of Sawano's vocal song project "SawanoHiroyuki[nZk]", for the first 12 episodes, the opening song is performed by SawanoHiroyuki[nZk]:Gemie, while the ending song is performed by SawanoHiroyuki[nZk]:Yosh. Both themes were released in Japan on a CD on May 20, 2015.