Improve your scales! Piano Grade 5. Paul Harris s brilliant Improve your scales! Piano Grade 5 workbook contains the complete scales and arpeggios for the current ABRSM, Trinity, LCM and MTB Grade 5. It also uses finger fitness exercises, top tips and key pieces to help you play scales and arpeggios with real confidence. An invaluable resource for students, the Improve your scales! Piano series covers all the keys and ranges required for each syllabus, helping you pick up valuable extra marks in exams. New edition, revised to support all major exam syllabuses from 2020.