"Guren no Yumiya" is one of two songs created by the Japanese band Linked Horizon for the double A-side track of their three-track single "Jiyū e no Shingeki". The full version of the song was released by Pony Canyon on 10 July 2013, and would be most notable for its use as the first intro to the anime Attack on Titan.

Epica vs Attack on Titan Songs is the second EP by Dutch symphonic metal band Epica, featuring covers of songs based on the anime Attack on Titan. The EP arranges selected songs originally written and composed by Revo of the Japanese band Linked Horizon with Epica's flair for heavy and massive-sounding songs with a classical motif. It was released on December 20, 2017, originally in Japan, and was released worldwide on July 20, 2018.