typo:
04 Munamoto ni Lilac no Hanazakari
04 胸元にライラックの花飾り
花飾り= Hanakazari
I'm pretty sure they are crediting the original composers.
from the scans:
Track 01
Composer: Jun Maeda
Track 02
Composer: Magome Togoshi
Track 03
Composer: Magome Togoshi
Track 04
Composer: Shinji Orito
Track 05
Composer: Shinji Orito
Track 06
Composer: Jun Maeda
Track 07
Composer: Shinji Orito
Track 08
Composer: Jun Maeda
from clanned origial soundtrack:
http://vgmdb.net/album/555
Track 09
Composer: eufonius