Her laptop was dying. The battery bulged, the screen flickered, and she was about to board a 14-hour bus to a remote village in the Siwa Oasis to record a dying style of tribal chant. She couldn’t carry a library; she could barely carry a charger.
Al-Farabi begins by analyzing the physics of sound production. He investigates how air displacement creates pitch and volume, analyzing the physical properties of stringed and wind instruments. He was one of the first theorists to explain how the length and tension of a string dictate its vibrational frequency. 2. Intervals, Scales, and Tuning Systems the great book of music alfarabi pdf portable