tono:
Afinación: |---------------------------------------------------------
|---------------------------------------------------------
|-000000000000000000000000000000/121212121212101010101010-
|---------------------------------------------------------
|-------------------------------------------------------------------------
|-------------------------------------------------------------------------
|-0-0-000-0-0000000-------------------5-5-555-5-5555555-5-5-555-5-5555555-
|-------------------2-2-222-2-2222222-------------------------------------
|--------------------------------------------
|--------------------------------------------
|-0-0-0007-7777777-44444444445555555555-0...
|-------------------------------------------- <- primeira vez
|--------------------------------------------------------
|--------------------------------------------------------
|-0-0-0007-7777777-44444444445555555555-0-0-000-0-0000---
|------------------------------------------------------2- <- segunda vez
|---------------------------------------------------------------------------------------------------
|---------------------------------------------------------------------------------------------------
|-2-2-222-2-2222222----------------4-4-444-4-444444-5-5-555-555555-2-2-222-2-222222-4-4-444-4-44444-
|-------------------2-2-222-4-4-444-----------------------------------------------------------------