Abd Al-Qadir Maraghi
Abd al-Qadir al-Maraghi b. Ghaybi (Persian: عبدالقادر مراغی (born middle of 14th – died 1435 AD)), was a Persian musician and artist. According to the Encyclopedia of Islam, he was the greatest of the Persian writers on music.
Read more about Abd Al-Qadir Maraghi: Life, Works On Music Theory, Linguistic Significance