Ok, I'm new to the forum, so I don't know how this works yet. Basically I have registered to tell this is a wonderful database! and to try to make the KOKIA folder more precise. Being the webmistress of the KOKIA forum/web happii KOKIA (
http://happiikokia.freeforums.org/index.php) I know how difficult is to get reliable and complete info about her. I have included her in the credits of Demon's Souls OST. She makes the vocals for Track #1 & #24. I hope it's OK!
I'll follow the discussion on Ar tonelico III, info is not clear either, but I'm sure when the CD's are released and we can hear all songs, everything will be answered ^^