Alfred's Essentials of Jazz Theory is designed for jazz enthusiasts and musicians who want to learn jazz concepts and terminology. To get the most out of this course, it is recommended that you have a good understanding of basic theory, such as the lessons in Books 1-3 of Alfred's Essentials of Music Theory. The book contains lessons with both written and music reading exercises and ear-training and listening are addressed through the included CDs. Each unit is complete with a review section. Playing and/or singing along with each example is encouraged throughout the book. The Self-Study Course includes lessons, a complete answer key to check your work, and three listening and ear-training CDs.