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|--------------------------------------------|