Shams al-Din Muhammad ibn 'Isa ibn Hasan al-Baghdadi (), known as Ibn Kurr () (d. 1357 CE), was a musical theorist of medieval Islam. He is the author of àÃÂyat al-matá¸·à «b fë 'ilm al-adwÃÂr wa-'l-dụrà «b (The Enticing Roads to Rhythms and Modes), a work on the musicological discourse in Cairo during the first half of the 14th century CE. He was born in Cairo to an Iraqi refugee family.