ライ麦畑 - raimugi batake
わすれもの - wasuremono
愛しているから- aishiteiru kara (bass version)
ありがとう… - arigatou
エリカ - ERIKA
download rar
Rememeber all the files have a strange noise, I could not remove it, sorry! anyway, i think this is very rare and interesting!
And finally, Thanks Lo for telling me about the source!