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How to write a hit song in 3 easy steps. This infographic explains very basic music theory to guitar players and shows them how they can write their own songs easily.
Historia de la Música (Lecciones Ilustradas en castellano)
Bass Scales Wall Chart by Corey Christiansen (2003, Book, Other)
Mel Bay's Guitar Theory Wall Chart
El sistema CAGED explicado
Mel Bay's Blues Guitar Wall Chart