For this song, it is very important to follow the Up and Down pattern.
So for all the chords I'll show the approximate way to play it. If there is 
mistakes you can
Still play it your own way.
D for down, U For up

Chorus:
   A5				  Ab5
   D       U D U D      U D U      D
e-----|-------------|------------------------
B-----|-------------|------------------------
G-----|-------------|------------------------
D--7--|----7-7-7-7--|---7-7-7------6---------
A--7--|----7-7-7-7--|---7-7-7------6---------
E--5--|----5-5-5-5--|---5-5-5------4---------(repeat as needed)
      --------------x2

2nd part:
   Bb
   U   U    D U D U U     D U D
e--------|-------------|-----------------------------
D--8---8-|--8-8-8-8-8--|--8-8-8----------------------
B--------|-------------|-----------2--5 or 4---------
G--------|-------------|----------------------4--3---
A--8---8-|--8-8-8-8-8--|--8-8-8----------------------
E--6---6-|--6-6-6-6-6--|--6-6-6----------------------(repeat as needed)
	 --------------x2