To Hell And Back Tab

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So I was looked at the tab that the guy posted for this, 
and the intro is very very wrong. 
So I figured it out for myself and I decided I'd let you all know how to play it too.

The song is in Drop D tuning.

     T    T       T    T       T    T    T
E|---12p6---------------------------------------|
B|----------------------------------------------|
G|--------15\12p7-12p7-15/17p7-14p7-14p7-14p7---| x9
D|----------------------------------------------|
A|----------------------------------------------|
D|----------------------------------------------|

After the 9th time, it goes into this part to end the riff:

     T    T    T    T    T    T    T    T
E|---------------------------------------------|
B|---17p6-17p6-17p6-18p6-18p6-18p6-15p6-15p6---|
G|---------------------------------------------|
D|---------------------------------------------|
A|---------------------------------------------|
D|---------------------------------------------|

Obviously, if you didn't get it from the T's above the tab, this is completely tapped. 
The easiest way to accomplish this riff is to have your left hand in this position:

E|--6--|
B|--6--|
G|--7--|
D|--x--|
A|--x--|
D|--x--|

I managaged it by barring the first 2 strings with my first finger on the 6th fret, 
fretting the 7th fret on the 3rd string, 
muting the 4th string with my 4th finger, 
muting the 5th string with my 3rd finger, 
and muting the 6th string with my thumb. 
It's up to you how you want to keep this position, 
this is just how I did it.