Nusrat Fateh Ali Khan (Urdu: ???? ??? ??? ???, born October 13, 1948, died August 16, 1997), was a Pakistani musician, primarily a singer of Qawwali, the devotional music of the Sufis (a mystical tradition within Islam). He featured in Time magazine's 2006 list of 'Asian Heroes' . Traditionally, Qawwali has been a family business. Nusrat's family has an unbroken tradition of performing qawwali for the last 600 years. Among other honorary titles bestowed upon him, Nusrat was called Shahenshah-e-Qawwali, meaning The Emperor of Qawwali.   Wikipedia