This is one of my favorite themes from the Higurashi series. It, as you can see from the picture, plays during the Keiichi Rena fight. Enjoy.
I uploaded this because I couldn't find this song alone on youtube. (Its in a video, but not by itself)
Song: Main Theme Yui
Anime: Higurashi no naku koro ni (if that wasn't already obvious)
Artist/Composer/whatever they call it: Kawai Kenji
