Yōko Takahashi(高橋 洋子Takahashi Yōko) is a Japanese singer (whose vocals are very easily recognizable) from Tokyo, perhaps best known for performing A Cruel Angel's Thesis(残酷な天使のテーゼZankoku na Tenshi no Tēze), the opening theme song of the anime series Neon Genesis Evangelion. She also performs the closing theme, an "acid bossa" version of "Fly Me to the Moon" and Tamashii no Rufuran(魂のルフラン, Refrain of Soul), the closing theme of Evangelion: Death and Rebirth. She also recently performed "Metamorphose," the opening theme to studio Gainax's 20th anniversary series, This Ugly Yet Beautiful World, the ending theme Yoake Umarekuru Shōjo(夜明け生まれ来る少女, The Girl who was Born at Dawn) for the anime Shakugan no Shana(灼眼のシャナ, Burning-Eyed Shana) and the opening theme Aoki Flamme for Pumpkin Scissors(パンプキ