I agree with Jason Brown, who, the article states, noted that the piano chord in the background is critical to capturing the overall sound. Listening to this, I hear everything but the touch of dissonance added by the piano, which completely changes the feel of the chord.

Listen to this and the original[1], you can clearly hear a missing piano part, which gives the chord such a crunchy bite. The damper pedal is clearly depressed as well, and it sounds like there is some sympathetic resonance from the guitars/bass that's helping to muddy up the piano sound.

[1] http://www.youtube.com/watch?v=zSm0M-BbVdY