This still-image video features two Megumi Hayashibara songs from the Evangelion 2.0 Original Soundtrack is currently standing high among Nico’s rankings, both for the legendary seiyuu’s involvement and also a massive outpouring of grief over the movie’s most spoiler-filled scene.
Spoiler Warning: Those proficient in Japanese and fearful of massive spoilers are encouraged to turn off comments on Nico while watching the otherwise safe video and to give online discussions of the movie (such as this post) a wide berth.
The two songs (starting at 0:52 after a lengthy intro) are in order:
今日の日はさようなら / Kyou no Hi wa Sayounara (Farewell to the Days of Today)
翼をください / Tsubasa o Kudasai (Wings, Please)