What is the theme song for Attack on Titan?

The theme song for Attack on Titan is "Guren no Yumiya" (紅蓮の弓矢), which translates to "Arrow of Crimson" in English. It is performed by Linked Horizon.

There are also other notable theme songs used throughout the series, including:

* "Jiyuu no Tsubasa" (自由の翼) - Season 2 opening

* "Shinzou wo Sasageyo!" (心臓を捧げよ！) - Season 3 opening

* "The Rumbling" - Season 4 Part 2 opening

* "Akatsuki no Requiem" (暁の鎮魂歌) - Season 4 Part 2 ending

* "Shoukei to Shikabane no Michi" (奏凱と屍の道) - Season 4 Part 1 ending

While "Guren no Yumiya" is the most iconic and well-known, these other songs are also popular and contribute significantly to the emotional impact of the series.