"Kitab al-Musiqi al-Kabir" (The Great Book of Music) is a comprehensive treatise on music theory written by Al-Farabi, a Persian polymath, in the 10th century. The book is considered one of the most influential works on music theory in the Islamic Golden Age and has had a significant impact on the development of music theory in the Middle East and beyond.

(like instrument classification or rhythm) or a general overview of Al-Farabi's musical theories? (PDF) The Great Book of Music of Al Farabi - ResearchGate