Song:"the path of the wind" Japanese name "風のとおり道"
written by Joe hisaishi
from the film "My Neighbor Totoro"

It doesn't exist in Ichigo and Joe hisaishi.net

what I found are not piano solo edition.

it souds different from what Joe hisaishi's piano solo CD

I need a piano solo one. thank you very much.

another name for this song "Kaze no Toori Michi"

I transcribed the version of this song from the 'Piano Sings' album, is it what you're looking for?

http://josh.agarrado.net/music/anime/master-index.php?title=totoro

awesome! I found it on that site
http://www.alphatrance.com/0engine/music/anime/get.php?file=my-neighbor-totoro-path-of-the-wind.pdf

it's exactly the same , thank you very much!

I have one more question, is this an official sheet? how did you get it?

I didn't quite understand what you mean by transcribed it ^^

Figured out the notes myself and wrote them down-- that's what we do here :D