al-Durr al-naqī fī fann al-mūsīqī الدرّ النقيّ في الفنّ الموسيقي

Treatise on music theory relating the musical modes, or maqams (مقامات), to the Prophets, signs of the zodiac, hours of the day, etc. by Abū Ṣāliḥ al-Sayyid Aḥmad al-Rifā‘ī ibn ‘Abd al-Raḥmān, given the laqab al-Musallam al-Mawṣlī (أبو صالح السيّد الرفاعي الملقّب بالمسلم الموصلي ابن عبد الرحمن, d. 1737; see f. 3r, lines 6-7). The text is a commentary on a Persian treatise on music theory by ‘Abd al-Mu’min al-Balkhī (عبد المؤمن البلخي; see f. 3r, line 9). The treatise is followed by an anonymous poem (f. 10r-10v) relating the modes, or maqams (مقامات), to the hours, planets, days of the week, spheres, signs of the zodiac and the temperaments.