It's the BASICS, man!

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"Mastering basics is a lifelong activity, not just repetition of the same movements done in the same way over time. You learn the outer pattern first, but then you work on trying to understand and perform the principles and methods within. Sometimes you only understand these after years of training and watching your masters. Some teachers too will first teach one level, then another and another. The secret to improving your basics is to be attentive to yourself and your movement. You can be shown something, but only you can monitor your progress. You thus become your own teacher as you incorporate what you have learned. At some point what your have learned become so ingrained into your muscular memory and reflexive action that it becomes instinctive. You can then move your focus to new goals. "

This is true, whether you're doing martial arts, or music. It is true for almost anything in life. Read the article, it's interesting.