From: "John McCormick" 
To: 

same riff the whole time, just played at different notes.  Here is the riff
(the numbers just denote the order in which the notes of the riff are
played):
	|------|------|------|------|
	|------|------|------|--2--|
	|--3--|--4--|--5--|---6--|   Remember to play this fast, but they can
	|------|--1--|------|------| also be played slow.  Listen to the diff.
	     		      	     recordings to see what i mean!
The letters here are the root notes of the riff:
	|--D--|--D--|--D--|--D--|
	|--G--|--G--|--D--|--D--|
	|--A--|--G--|--D--|A; ; ;|