intro piano:
e-------15-14---12---------------------|
b----12------------13--15-----12-------|
g-------------------------14-----14-12-|4x
d-14-----------------------------------|
a--------------------------------------|
e--------------------------------------|
intro guitarra (entra na 3ª repetição da intro do piano):
e------/15-14---12---------------------|
b------------------13--15-----12-------|
g-------------------------14-----14-12-|
d--------------------------------------|
a--------------------------------------|
e--------------------------------------|