It's the melody part.  It's like Synth.

Intro:
e-----------------------------------------|
B-----------------------------------------|
G-----------------------------------------|
D--------5-6--8---------------------------|
A---6---6---------------------------------|
E-----------------------------------------|

Only difference is the pickup note (G) to the (Ab)
Verse:
(0:25)
e---------------------------------------|
B---------------------------------------|
G---------------------------------------|
D-------5-56---8------------------------|
A---6--6--------------------------------|
E---------------------------------------|