intro: E|-------------------------------------------------------------| B|---------------------10--10---12----------------------10--10-| G|-------13-9-10--11-------------------13--9-10--11--11-------| D|---11----------------------------11-------------------------| A|------------------------------------------------------------| E|------------------------------------------------------------| E|-------------------------------------9------------------------| B|--12--12-------------------------10-----12--------------------| G|---------------13--9---10-11--11----------------13--9--10--11-| D|----------11--------------------------------11----------------| A|--------------------------------------------------------------| E|--------------------------------------------------------------| E|-------------------------------------------------------------| B|-----10----------------------------------10----------10--10--| G|--11-----11--9---11-11-10-9--10--11--11-----9----7-----------| D|-------------------------------------------------------------| A|------------------------------------------------------------| E|------------------------------------------------------------| E|-------------------------------------------------------------| B|------10-----10--12------------------------------------------------| G|--11-----11------------------------------------------------------| D|-------------------------------------------------------------| A|------------------------------------------------------------| E|------------------------------------------------------------|