Wow, this was a true find. Jacob from Keep It Together Records sent me these guys. He'll be releasing a tape from them soon, and its going to be great. Saisa have put their first EP up here for free download, and it is a gorgeous thing. When I saw "post-rock" in the description, I was expecting something boring, but Saisa creates some of the most beautiful and heavenly music I've ever heard. The most obvious comparison is Sigur Ros, due to the high vocals and guitar sounds, but the song structures are much more traditional post-rock. It's pretty refreshing and completely unexpected from a small Japanese band. I even hear some envy influences, but mainly envy's more laid-back instrumental stuff and their reverb-y telecaster guitar sounds.
This is just really, really good and you need to get these three songs immediately. I'll update again when KIT has the tape out!
1. Faith In Ordinary
2. Little Light Way