It's only the melody played in intro ant through verses.

e|----17--17----17------17-20-19-17|
B|-17--------17----17--------------|
G|---------------------------------|
D|---------------------------------|
A|---------------------------------|
E|---------------------------------|

e|-------------------------17------|
B|----18--18----18------18----20-18|
G|-17--------17----17--------------|
D|---------------------------------|
A|---------------------------------|
E|---------------------------------|

This is original version, may be played easier:

e|----0--0----0------0-3-2-0|
B|-0--------0----0----------|
G|--------------------------|
D|--------------------------|
A|--------------------------|
E|--------------------------|

e|---------------------0----|
B|----1--1----1------1---3-1|
G|-0--------0----0----------|
D|--------------------------|
A|--------------------------|
E|--------------------------|

Sorry, I know nothing else.
Contact me on egor_chubarov@mail.ru
Tabbed by Egor Chubarov