This song isn't that hard, there are 3 main parts you have to learn, the reason 
ive written so many down is because there are a lot of small variations throughout 
the song ... Enjoy! :)

(0:00 - 0:25)
G|----------------------------|
D|-----------------7----------|
A|--8--8-12--12-5----5--5555--|  (x4)
E|----------------------------|

(0:26 - 0:44) 
G|----------------------------------------------|
D|----------------------------------------------|
A|-88888888-1212121212121212-555555-7--88888888-| (x3)
E|----------------------------------------------|

(0:44 - 0:50)
G|------------------------------------------|
D|------------------------------------------|
A|-88888888-1212121212121212-555555-7--8--8-| (x1) 
E|------------------------------------------|
(this is just a continuing part of the last bit but a tiny bit different at the end)

(0:51 - 1:10)
G|----------------------------|
D|-----------------7----------|
A|--8--8-12--12-5----5--5555--|  (x3)
E|----------------------------|

(1:10 - 1:15)
G|----------------------------|
D|----------------------------|
A|--8--8-12--12-5----5--5555--|  (x1)
E|----------------------------|
(another continuation which is only a bit different at the end)

(1:16 - 1:48)
G|----------------------------------------------|
D|----------------------------------------------|
A|-88888888-1212121212121212-555555-7--88888888-| (x5)
E|----------------------------------------------|

(1:48 - 1:54)
G|------------------------------------------|
D|------------------------------------------|
A|-88888888-1212121212121212-555555-7--8--8-| (x1) 
E|------------------------------------------|

(1:55 - 2:02)
G|----------------------------|
D|-----------------7----------|
A|--8--8-12--12-5----5--5555--|  (x1)
E|----------------------------|

(2:02 - 2:10)
G|---------------------------|
D|--------------------5---3--|
A|--8--8-12--12--5-----------|  (x1)
E|---------------------------|

(2:13 - 2:45)
G|-----------------------------------------------|
D|-----------------------------------------------|
A|---55555555-88888888-88888888-13131313-12121212| (x5)
E|-----------------------------------------------|

(2:46 - 3:36)
G|----------------------------------------------|
D|----------------------------------------------|
A|-88888888-1212121212121212-555555-7--88888888-| (x8 (I think))
E|----------------------------------------------|

(3:36 - 3:46)
G|--------------------|
D|--------------------|
A|----8----12----5----|  (x1)
E|--------------------|

Aaaaaaaand Relax :)