|--------------------------------------------------------------|
|--------------------------------------------------------------|
|-------------------------------------------4------------------|
|---5-------5---------5------------------3----3---3------------|
|-4-3-4-4-4-3-4-4---4-3----34643-----2----------2--------------|
|-2---2-2-2---2-2---2---246-----64-1--111-1--1-1-1-------------|

Use palm muting and whatever sounds correct, but this is the general outline of the 
intro from what I found.