Keys, Codes and Modes. This guide offers an alternative way to visualize, learn and understand the basics and inter workings of music. It is presented with a graphic and progressive approach in mind. The purpose is to open one's imagination, provide guidance and direction, and aid in the development skills and the understanding of musical principals. This manuscript is for the many musicians looking to express themselves musically through the guitar. This guide is presented primarily in the Key of C, This provides a template for all the other keys. When one has mastered the basics in C, the transposition-moving from one key to another-is simple, truly extensive and expansive. This method is for everyone. By using this guide as a tool, one is able to gain the true basics, the foundations and rudiments found in music. This tool emphasizes the conceptual and theoretical aspects of what makes music work, the mechanics, mathematics, and how it all fits together. This is accomplished graphically. This book builds from the simple and progresses to the complex. This method fills in the blanks for those who want to understand and have not had the chance-or the tools and time to use-in the quest for being a better musician. This is a tool for expressing one's own music through improvisation, practice and jamming with others. This frames the subject matter in a cohesive and progressive presentation.