(Essential Elements Guitar - Book Only). Essential Elements for Guitar, Book 2 is a continuation of the concepts and skills taught in Book 1 and includes all of its popular features as well great songs in a variety of styles, quizzes, music history, music theory, and much more. Concepts taught in Book 2 include: - Playing melodically in positions up the neck -Playing movable chord shapes up the neck -Playing scales and extended chords in different keys -More right-hand studies fingerpicking and pick style -Improvisation in positions up the neck -Studying different styles through great song selections -and more!