Rockschool Popular Music Theory Guidebook Grades Debut to Grade 5 is an introduction to music theory for students taking Rockschool's new theory exams. Use it along with the accompanying Popular Music Theory Works, Debut to Grade 5, to ensure success in your exams. Rock and pop music is analysed in depth, making this essential reading for students of all rock and pop styles. Rockschool's Popular Music Theory is also ideal for Music Technology, GCSE and Further Education students.