0(Berklee Guide). Improve your command of the guitar by mastering the essential scales and their fingerings. This reference will help you play scales up, down, and across the fingerboard, in all keys. You will learn multiple scale fingering options to suit different musical contexts. Practice exercises will help you build your muscle memory as you play different fingering patterns across the strings, and then expand them to three octaves. Graphical illustrations, exercises, and etudes will help reinforce all the most useful scale types. Traditional notation and tablature are included.