Watch the Fretting Hand Prep online guitar lesson by Brad Carlton from Guitar Lab: Caging ii V I
The upper voices and examples 47 through 54 can be categorized based on the concept of three different pitches. These pitches are low, middle, and high. Chart number three shows eight patterns which are aligned with these eight exercises. By organizing three different pitches with this system, you will always be able to thoroughly practice all combinations thus balancing your technique and eliminating any weaknesses. Weaknesses in technique will cause you to avoid playing certain passages.