Last, but not least, are my two favorite Boris albums (the best and my favorite very rarely coincide. i know you all really needed to know that).
Rainbow features Michio Kurihara and that's all that needs to be said.
Praparat is kinda like Akuma No Uta in that it has all kinds of styles on it. But it is a more subdued Boris that usual and has a hella shoegazy vibe which i dig.