ESTE ES EL INTRO:
e|-------11-12-14-15-15-15--12-15-12-14-14-14-|+
b|-12-14--------------------------------------|+
g|--------------------------------------------|+
D|--------------------------------------------|+
A|--------------------------------------------|+
E|--------------------------------------------|+
e|-10-14-10-12-12-12-9-12-9-10-10-10-|+
b|-----------------------------------|+
g|-----------------------------------|+
D|-----------------------------------|+
A|-----------------------------------|+
E|-----------------------------------|+
e|-------11-12-14-15-12--15-12-15-12-15-12-14-10-|+
b|-12-14-----------------------------------------|+
g|-----------------------------------------------|+
D|-----------------------------------------------|+
A|-----------------------------------------------|+
E|-----------------------------------------------|+
e|-14-10-14-10--14-10-12-9-12-9-12-9-12--9-10-|
b|--------------------------------------------|
g|--------------------------------------------|
D|--------------------------------------------|
A|--------------------------------------------|
E|--------------------------------------------|