Final Fantasy: Final Fantasy VII - Advent Children Theme Song

Advent Children.net has reported that information regarding the Offical Theme Song for Advent Children has been posted with some short comments from Tetsuya Nomura in which he mentions that the song, Kyosuke Himuro's CALLING from the 89' album Neo Fascio is a good match to the Advent Children setting.

A preview of the song can be found here.(your need to scroll down to the song (#10) and choose either Real Player format or Windows Media Player)

Offical Kyosuke Himuro site
Final Fantasy VII - Advent Children Offical Site (JP)

Sources;
AdventChildren.net