Waking Up With Wolves (intro) Tab

okay, first tab. im not sure if this is right or accurate but this is as close as i got 
the exact sound. if its wrong then tell me other wise and i'll fix it up.

Intro
E|-------------------------------------------|
b|-------------------------------------------|
g|-----------5-------------------------------|
d|--------5-----7--------5-----------7-------|
a|--5--7-----------5--7-----7--5--7-----7----|
e|-------------------------------------------|
X3^

E|-------------------------------------------|
b|-------------------------------------------|
g|-----------5-------------------------------|
d|--------5-----7----------------------------|
a|--5--7-----------5--7--5--7--5--7--5--7----|
e|-------------------------------------------|
X1^(i think it slides when its 5 - 7 but im not sure)

also an allternative for the intro is just taking out the second fifth fret in the 
i dunno either or

the intro also goes with the solo so turn on the distortion and u have half the song