Day 4: Godspeed You! Black Emperor - Lift Your Skinny Fists Like Antennas to Heaven
Compared to the other GY!BE records, this one is less aggressive, but it's no less epic, and the final section is one of the most astonishing things I've heard in a long time.
Might not have been feeling good enough to really take it in at this point in my day (yay angst), and listening to it on speakers was probably not wise (it's definitely a headphone record), but it's awe-inspiring and massive in scope, and one of my favourite recent music discoveries.