In the notes section, I added Mami Horie as a pianist in addition to being the vocalist in her respective tracks. Page 2 of the booklet just credits vocal, but page 4 credits vocal and piano, ヴォーカル／ピアノ. I believe it, because in our picture of her here she's leaning over a piano
I will take this opportunity to say that this is probably one of the most kickass game soundtracks I own a copy of. It is so much in the spirit of game music. These guys are geniuses, and I am going to at least check out the other Eternal Mana soundtracks.