tono:
Afinación: |------------------------------------------------
|------------------------------------------------
|------------------------------------------------
|---0-----------4------------5----------7--------
|------------------------------------------------
|------------------------------------------------
|---0<----------4<-----------5<---------7<-------
|------------------------------------------------
|-----------------4-4-5-7------------------------
|------------5-5---------------------------------
|---5-5-5-5--------------------------------------
|------------------------------------------------
|------------------------------4-4-5-7-----------
|------------7-5-5p4-4h5-5-5-5-------------------
|---5-5-5-5--------------------------------------
|------------------------------------------------
|------------------------------------------------
|------------7-7-7-7---------7-7-7-7-------------
|---5-5-5-5----------5-5-5-5---------------------
|------------------------------------------------