tono:
Afinación: G|---------------------------------------------------
D|---------------------------------------------------
A|---0000000000000------5555555555-------777777777---
E|---------------------------------------------------
G|---------------------------------------------------
D|---------------------------------------------------
A|---99999-777777--99999---777777---999999-777777----
E|---------------------------------------------------
G|---------------------------------------------------
D|---------------------------------------------------
A|---------5555555555-------777777777----------------
E|---------------------------------------------------