ウタカタ永焔鳥 (Utakata Eienchou)

Background
A song based off of Osamu Tezuka's manga "Phoenix". It is included on the album Vocaloid wa Shuumatsu Tori no Yume o Miru ka?

Trivia

 * The kanji that make up Osamu Tezuka's name are hidden in the lyrics.