[Intro:         ]Riff Principal: 

e|------------|--------------------------------| 
B|------------|--------------------------------| 
G|------------|--2-----------5-----------------| 
D|-5----7--7--|--2---1---0---5---5----7--7-----| 
A|-5----7--7--|--0---1---0---3---5----7--7-----| 
D|-5----7--7--|------1---0-------5----7--7-----| 

e|------------------------------------| 
B|------------------------------------| 
G|---------------------2-----2--------| 
D|-7--0--7--10--0--7---2--1--2--1--0--| 
A|-7--0--7--10--0--7---0--1--0--1--0--| 
D|-7--0--7--10--0--7------1-----1--0--| 
  Repeat this as many times as needed 

e|-------------------------| 
B|-------------------------| 
G|-------------------------| 
D|-1--1--0--4--0--1--1--3--| 
A|-1--1--0--4--0--1--1--3--| 
D|-1--1--0--4--0--1--1--3--| 
  Repeat as many as times as needed