The Monochord Thread, Notes by Grade

• Grade 4: Prehistoric music
• Grade 5: Ancient Egyptian and Mesopotamian music
• Grade 6: Pythagoras and the monochord
• Grade 7: Late antique Greek tuning theory
• Grade 8: Medieval developments
• Grade 9: Early modern: equal temperament
• Grade 10: Classical: vibrations
• Grade 11: Modern: microtonal