Barbershop singing is often thought of as a genre of music when, in fact, it is a style of arranging. This four-book series is filled with case studies, specific examples with audio and video clips, and lessons learned; each volume aims to unlock new skills and expertise for everyone interested in arranging in the barbershop style. Each volume stands alone but is also a part of the greater whole. This volume provides guidance for arrangers at three levels: beginning, intermediate, and advanced. It is intended to empower current and future generations of barbershop arrangers of all skill levels, providing them with the tools and knowledge they need to bring their creations to life.