Music Theory Essentials offers an antidote to music theory textbooks that are overly long and dense. Focusing on the essentials, this text provides a clear-cut guide to the key concepts of music theory. Beginning with no assumptions about music theory knowledge, the book covers the core elements of music fundamentals, diatonic and chromatic harmony, post-tonal theory, and popular music in a single concise volume. Emphasizing critical thinking skills, this book guides students through conceptualizing musical concepts and mastering analytic techniques. Each chapter concludes with a selection of applications designed to enhance engagement: Exercises allow students to apply and practice the skills and techniques addressed in the chapter. Brain Teasers challenge students to expand their musical understanding by thinking outside the box. Exploring Music offers strategies for students to apply learned concepts to the music they are currently learning or listening to. Thinking Critically encourages students to think more deeply about music by solving problems and identifying and challenging assumptions. A companion website provides answers to book exercises, additional downloadable exercises, and audio examples. Straightforward and streamlined, Music Theory Essentials is a truly concise yet comprehensive introduction to music theory that is accessible to students of all backgrounds.