intro:
let a distorted A ring over acoustic A B C# D

the "verse": (repeat for whole song)
A B C# D (1 time palmmuted, 1 time palmmute with the riff, 1 time w/o
muting)

the riff
g---------------2--
d-2----2-2--2---0--
a---4---------4----
e------------------

A (ending chord)

"outro":
acoustic B A B