Intro e Riff1: G |--------------------------------               
               D |--------------------------------
               A |-5-5---4-4---------7-7----------
               E |-------------7-7----------------


Refr?o:G |----------------------------------------
       D |----------------------------------------
       A |---------9---5--7-9---------9--5--7-9---
       E |----7------------------7---------------5

Estrutura:

Intro: x2
Riff1: x2 
Refr?o: x1
Riff1: x2
Refr?o: x1
Intro: x2
Refr?o: x1
Riff 1: x2
Refr?o: x2