小さなてのひら from CLANNAD Game Original Soundtrack by Key Sound Label (3 disks).
http://www.amazon.co.jp/Key-Sounds-La...
http://www.amazon.com/CLANNAD-Origina...

iTunes:
https://itunes.apple.com/jp/album/cla...
https://itunes.apple.com/us/album/cla...