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Safi al-Din al-Urmawi
Arab or Persian musician and writer on the theory of music
Years: 1237 - 1275
Safi al-Din al-Urmawi or Safi al-Din Abd al-Mu'min ibn Yusuf ibn al-Fakhir al-Urmawi (born c. 1216 in Urmia or Baghdad, dies in 1294) is a renowned musician and writer on the theory of music.
