Safi al-Din al-Urmawi al-Baghdadi (Persian: صفی الدین اورموی) or Safi al-Din Abd al-Mu'min ibn Yusuf ibn al-Fakhir al-Urmawi al-Baghdadi (born c. 1216 AD in Urmia, died in 1294 AD in Baghdad) was an Iranian musician and writer on the theory of music.
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