Nagore Esmail Mohammed Hanifa was a Tamil Muslim lyricist, playback singer and politician. He was known as Isai Murasu for his deep stentorian voice.
His signature song was "Iraivanidam Kaiyendungal". It was written by Kiliyanur, R. Abdul Salam. The lyrics are beyond any specific religion. It is liked by not only Muslims but Hindus and Christians, even today sung by many singers on stages. He is considered one of the greatest and most influential singers of South India and beyond.