Ustad Hussain Sayeeduddin Dagar, popularly known as Saeed Bhai, was an Indian classical vocalist belonging to the Dhrupad tradition, the oldest existing form of north Indian classical music. He was a part of the Dagar family of musicians. He represented the 19th generation of Dagar Tradition. His cousins Nasir Moinuddin Dagar and Nasir Aminuddin Dagar were known as the Senior Dagar Brothers. Similarly, Nasir Zahiruddin and Nasir Faiyazuddin Dagar were known as the Younger Dagar Brothers. His other cousins were Zia Mohiuddin Dagar, Zia Fariduddin Dagar, and Rahim Fahimuddin Dagar. He performed in the famous Bharat Ek Khoj.