This book IS the music. A question? The answer is necessarily in the book. Never will any book taught me so much on the musical world. And will continue to teach me for years to come as it is monumental. It is easy to read, clear, affordable. And not only gives excellent theoretical explanations, but in addition a sum of absolutely massive practical advice. The layout is responsive, effective, clear and allows numerous gateways from one chapter to another. And the author ... no one will ever told me about music so clearly and with such kindness. It's easy, every time I open the book, I feel better! In short, this book is the best thing that ever happened to me in my life as a musician.