"Libros en PDF sobre: Escalas, Acordes, Teoria Músical, etc"

https://docs.google.com/document/d/1QsL6wOGg4XWv1If8EoCHYmImxt3D6Rod6KhfoD2BhFU/edit
https://docs.google.com/document/d/1aEjQMea-zmmeVyWmEeEgESDSGnNZfEUnmh8u7UoUXcU/edit
https://docs.google.com/document/d/10kwjghdHRq07rVPrxMs_2y5rWwtatzPPf2vvNYDrpdc/edit
https://docs.google.com/document/d/1svQav6JY_VjMIAxn5lJ-GJfkQwHC2nb9pa5bs8YByhQ/edit

https://docs.google.com/drawings/d/1JIlUU08jFRMMfydi-oPaXzZ8BXxMBcoT8gMTzNEBuAg/edit