esto es la guitarra
E|--------------------------|
B|--------------------------|
G|--------------------------|
D|---5-6-7-7-7-7-7-5--------|
A|-7-----------------8-7----|
E|--------------------------|

y lo del acordion va asi

E|-12-10-12-10-12-10-8-7-8-7-8-10-8-7-8-7-8-7---------|
B|--------------------------------------------8-8/10--(| el 10 es
G|----------------------------------------------------| vibrato)
D|----------------------------------------------------|
A|----------------------------------------------------|
E|----------------------------------------------------|

E|-12-10-12-10-12-10-8-7-8-7-8-10-8-7-8-7-8-7-8-7-8-7-8-7--------|
B|--------------------------------------------------------8-8/10-|
G|-----------------------------------------------------(| el 10 es-
D|------------------------------------------------------v| ibrato)-
A|---------------------------------------------------------------|
E|---------------------------------------------------------------|