Fugazi — Song Number One

The riff at the beginning and throughout the song:
[e--------------------------------------------------
B----------------------------------------------------
G--------------------------------------------------
D----------5------------------------------------------
A---3-p-0------------------------------------------
E-------------muted:3-3-3-3--2-2-2-2------------------]

Then the chorus is E D A 
power chords or whatever you want to call them.

The interlude is A G E D