World's End Girlfriend - 100 Years of Choke

Outside of Godspeed You! Black Emperor, he's the post-rock artist that I think comes closest to actually composing classical music with rock instruments. "Les enfants du paradis" is also fantastic and has some great ballet choreography: https://www.youtube.com/watch?v=PfG_G2O2q40 . That entire Hurtbreak Wonderland album though is a standout for the genre.