My recent publication on Ḥakham Joseph Ḥayyim ben Eliyah al-Ḥakham (1835–1909) of Baghdad, his leadership and songs, called Shbaḥoth by the Babylonian Jews. I hope you will find it interesting. [https://www.academia.edu/115263825/The_Oxford_Handbook_of_Jewish_Music_Studies](https://www.academia.edu/115263825/The_Oxford_Handbook_of_Jewish_Music_Studies)