Ahhh, so full progress is kinda leaked already from the same source, I think? It's very LQ though. Check it at the same link as the partial one I linked to earlier!
http://www.ahsforum.com/forum/showthread.php?t=110443
The slow part is soooo pretty and then when it leads into the EPIC STRINGS+GUITAR... aaaahhh~ I would say that it starts off kind of like Mirrorcle World in a way (DOES NOT SOUND LIKE IT) but only because it's a really rapid change of pace after about a minute of a ballad atmosphere.