What anime opening/song is this?

[Rynthi]

Well....I don't know what anime it belongs to or what the lyrics are...So I just hummed the tune so can someone please tell me what this song is called if they know? I've been searching for over a year and still have no idea!

http://vocaroo.com/i/s1xK0LOF19wP

Ignore how my humming sounds and listen carefully to the tune.

[Zainox]

Great.. I shouldn't had listened to it. It sounds so familiar, but it sound like a movie to me and not an anime. I just cant pick which one.. D:
It will bug me now..

[Rynthi]

Great.. I shouldn't had listened to it. It sounds so familiar, but it sound like a movie to me and not an anime. I just cant pick which one.. D:
It will bug me now..

I know right! I've asked a few other people and they said it sounded really familiar. I have to find out what song this is! I'm gonna search some anime movie openings and see if its one of them.