The series "20 & 20" it includes several volumes that include 20 lessons and 20 exercises, referred to different aspects from musical science. The present series is an effective aid as much for the student as for the professor, obtaining a greater fluidity and dynamism in the classes.
These “Workbooks" have the propose to approach or extend the knowledge of the musical art of a dynamic way, without abundance of texts and with exercises that allow us through excellent graphs, to reaffirm these concepts.
Almost 25 years of trajectory as professor allows me to assure that in the series " 20 & 20" you will find the elements necessary to develop, still more the musical knowledge like expression means.
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