definitions of important words and concepts. specimen exam questions Textbooks. ABRSM First Steps in Music Theory (a pocket-sized handbook covering Grades) The AB Guide to Music Theory – Part I (a more thorough textbook covering Grades) Paul Harris: Improve Your Theory! Download & View GradeEric Taylor Music Theory In as PDF for free GradeTheory. For more help in working through the ABRSM Fully revised, this workbook remains the best way to prepare for ABRSM's GradeTheory of Music Exam. Feature