ABRSM’s Music Theory in Practice workbooks have helped more than one million musicians worldwide to learn about the theory of music. The new Music Theory in Practice Model Answers series is a practical tool to use alongside the fully-revised workbooks for Music Theory in Practice, Grades 1 to 5, providing specimen answers for each exeone answer and model answers for composition-style questions. rcise covered. Each book includes correct answers to every question with accepted options, where there can be more than one answer and model answers for composition-style questions. This answer book will help you to prepare in the best possible way for the ABRSM Grade 4 Theory of Music exam.