Silent Hill 4

Its been a while. Any way does any one know the what killer song is playing during the freaky trailer of silent hill 4. heres the link http://www.gametrailers.com/vault-s2.html
its silent hill 4 : the room trailer 5 ( right above silent hunter 3 )
WARNING
this game will be rated M for mature and this clip depicts the justification for such a rating, uve been warned. Aside from that the song in particular is the clip played at the begining( the first 2 mins, with the females vocals singing some disturbing lyrics of killing her mother ( this is not why i like the song btw )
AND
also does any one know the music that starts at 4 mins/45 secs into the trailer( women singing " ahh " solo ) then picks up at 5 mins/ 24 seconds. I dont know if its a song from a recording artist ( and a twisted one at that ) or just made for the game or trailer but its cool. thanks

the first song is "Room of Angel" it is on the soundtrack for the japanese version

heres a link for a short version of it, just scroll down towards the middle.