http://www.youtube.com/watch?v=temYymFGSEc
Based on this video, If you're trying out the loop these are the 3 main parts.


Pretty certain this spot on, if it doesnt sound right to you, make sure you try
it on a decent acoustic(not electric) guitar before moaning things are wrong.

Tuning Drop D.
Capo 2nd fret. Everything is relative to the capo.

Part 1
E|-----5-----5-----5-----5--|
B|--------------------------|
G|--------------------------|
D|--x-----x-----x-----x-----|
A|--------------------------|
D|--------------------------|


Part 2
E|----------------------------------|
B|----------------------------------|
G|------------10--12p10--12p10------|
D|--10h12p10--------------------12--|
A|----------------------------------|
D|----------------------------------|


Chords
E|--------------------------------------------------|
B|--------------------------------------------------|
G|--------------------------------------------------|
D|--0--0--3--3--5--5--3--3--3--3--3--5--5--5--5-----|
A|--0--0--3--3--5--5--1--1--1--1--1--3--3--3--3-----|
D|--0--0--3--3--5--5--x--x--x--x--x--x--x--x--x--3b-|

Listen to the song to work out the strum pattern, theres a lot of muting to add in.