Do not search for "hacks" or "shortcuts." The secret to classical guitar is that the studies are the shortcut . They condense decades of pedagogy into 30 minutes of daily practice.

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However, the term "100 Graded Studies" is most famously associated with in the guitar community.

Sight-reading is the ability to play new music at first glance. By working through 100 distinct pieces, you expose your eyes and brain to dozens of different key signatures, rhythmic configurations, and fretboard positions. Over time, your brain stops looking at individual notes and begins recognizing entire geometric shapes and patterns on the fingerboard. Anatomy of the 100 Graded Studies Curriculum