Grouped in five difficulty levels ranging from beginner to advanced, each Excelcia Jazz chart is carefully edited and has fully notated rhythm section parts, with chord changes where appropriate. Guitar chord frame charts specific to each piece are included in the more accessible grades in the series (Grades 1 and 1.5), showing both basic and advanced options for the Guitar player. Included are free play-along practice tracks for practice of improvisation skills, featuring rhythm section accompaniment over the solo section changes.