Movie: Tenshi no tamago (Angel's Egg, 1985), directed by Mamoru Oshii.
“Angel” is the bonus song of the Amazon MP3 version of “Visions”.
http://www.grimesmusic.com/
Lyrics:
Hey, my little angel
Why don't you fall?
Why don't you fall?
Why don't you fall?
Right, right of the sky
Silence goes away
And I will pray
And I will pray
And then I go
To see you everytime
