"SOU" by Hatsune Miku, a vocaloid.
This translation is by permission of the composer.
作者様のご了解のもと翻訳しました。(nm6298689)
Watch also
SOU*:
http://www.youtube.com/watch?v=Iisrq6v4LwY
ZOU:
http://www.youtube.com/watch?v=LfyWyTC9trg
ZOU+:
http://www.youtube.com/watch?v=cjxhpmgQIvw
Music & lyrics: "AVTechNO!"
http://avtechno.ukime.org/
http://piapro.jp/avtechno
Picture: "meola"
http://piapro.jp/meola
Written in Kanji, SOU is 想 meaning idea, thought, memory. It is also a part of "souzou" or 想像, imagination.
Further, the homophone 創造 or creation seems the creator's initial intention.