Mansour Zalzal

Manṣūr Zalzal al-Ḍārib (often known as Zalzal; Arabic,منصور زلزل), late 8th century - early 9th century, was an Arab Musician and composer of Al-Kufa during the Abbasid era. Contributed musical scales that were later named after him (the Mansouri scale, Arabic,المقياس المنصوري) and introduced positions (intervals) within scales such as the wasati-zalzal.

Mansour Made improvements on the design of the lute instrument. Mansour was the Teacher of great musician Ishaq al-Mawsili.