Alfred's Essentials of Music Theory: Book 1

Alfred's Essentials Of Music Theory is designed for students of any age, whether listeners or performers, who want to have a better understanding of the language of music. In this all-in-one theory course, you will learn the essentials of music through concise lessons, practice your music reading and writing skills in the exercises, and test your knowledge with a review that completes each unit.
This is Book 1 of 3 and contains Lessons 1-25.