When I play this it sounds right to me.

Tuning: Standard EADGBE

Intro X4 (0:00-0:28)
E|-------------------------------------------------------------------------|
B|-------------------------------------------------------------------------|
G|-------------------------------------------------------------------------|
D|-9-9-9-7--7-7-12-12-12-----------7---------------------------------------|
A|-7-7-7-5--5-5-10-10-10-10-10-10--5---------------------------------------|
E|-----------------------8--8--8-------------------------------------------|
                                   ^ Play after second time through,let ring

Verse X8 (0:35-1:03)
E|-------------------------------------------------------------------------|
B|-------------------------------------------------------------------------|
G|-------------------------------------------------------------------------|
D|-9-9-9-7--7-7-12-12-12---------------------------------------------------|
A|-7-7-7-5--5-5-10-10-10-10-10-10------------------------------------------|
E|-----------------------8--8--8-------------------------------------------|

Chorus Part 1 X1- Part 2 X2- Part 3 X1 (1:07-1:19)
E|-------------------------------------------------------------------------|
B|-------------------------------------------------------------------------|
G|-------------------------------------------------------------------------|
D|-9-9-9-7--7-7-12-12-12---------------------------------------------------|
A|-7-7-7-5--5-5-10-10-10-10-10-10------------------------------------------|
E|-----------------------8--8--8-------------------------------------------|

E|-------------------------------------------------------------------------|
B|-------------------------------------------------------------------------|
G|-------------------------------------------------------------------------|
D|-10-10-10-10-10-10-10-10-10-10-10-10-10-10-10-10-------------------------|
A|-8--8--8--8--8--8--8--8--8--8--8--8--8--8--8--8--------------------------|
E|-------------------------------------------------------------------------|

E|-------------------------------------------------------------------------|
B|-------------------------------------------------------------------------|
G|-------------------------------------------------------------------------|
D|-12121212121212121212121212121212121212121212121212----------------------|
A|-10101010101010101010101010101010101010101010101010----------------------|
E|-------------------------------------------------------------------------|
^^^^ Part 1&2 are played at the same time from (1:07-1:13)- Part 3 is the rest of thh time