Karbalayi Gulu Mahammad oghlu Azerbaijani: Kərbəlayı Qulu Məhəmməd oğlu; 1823–1883) was a musicologist, poet, founder of music school in Shusha.
He used to attract young people to the assembly he organized during Muharram ceremonies, and taught them to play the roles of Sakina, Zeynab, Ali Akbar and others.
[2] Kharrat Gulu's music school, which operated in the middle of the 19th century, mainly served religion, but it also led to the training of a number of musicians who played an important role in the development of Azerbaijani mugham art.
Haji Husu, Mashadi Isi, Deli Ismail, Shahnaz Abbas, Bulbuljan, Keshtazli Hashim, Kechachioghlu Muhammed, Jabbar Garyaghdioglu and Tarzen Sadigjan were students of this school.
After his death, Kor Khalifa continued his path and opened a music school in Shusha.