<p style='text-align: justify;'>Letter from Nathan b. Solomon the Cantor b. Yaʿir, written on behalf of his community to Moses Nagid b. Mevoraḵ in Fusṭāṭ regarding two matters of conflict between the two factions into which the community is divided, each with its own cantor: disagreement over the prayer for the Nagid and conflict over a particular synagogue custom. </p>