This intro is very easy but it sounds great I have
been playing two weeks an figured it out 

STANDARD TUNING
EADGBe

--------------------------------------------------|
--------------------------------------------------|
--------------------5-7-7p5-----------------------|
--5h7-----7---7-7---5-7-7p5-----7---7-7---5h7-----|
--0---0-0-0-0-0-0-0---------0-0-0-0-0-0-0-5h7-----|
--------------------------------------------------|


then it goes to this
--------------------------------------------------|
------------------------------------------12h14---|
--------------------5-7-7p5---------------12h14---|
--5h7-----7---7-7---5-7-7p5-----7---7-7-----------|
--0---0-0-0-0-0-0-0---------0-0-0-0-0-0-0---------|
--------------------------------------------------|


thats it