Rahat Fateh Ali Khan is a Pakistani singer, primarily Qawwali, a form of Sufi devotional music. Khan is one of the most popular and highest paid singers in Pakistan. He is the nephew of Nusrat Fateh Ali Khan, son of Farrukh Fateh Ali Khan and grandson of Qawwali singer Fateh Ali Khan. In addition to Qawwali, he also performs ghazals and other light music. He is also well-known as a playback singer in Hindi cinema and the Pakistan film industry.

Paap (transl. sin) is a 2003 Indian crime thriller film, directed by Pooja Bhatt in her directorial debut, and features John Abraham, Udita Goswami, Gulshan Grover and Mohan Agashe. The film received mixed reviews from critics, praising its cinematography, direction, but criticism for screenplay. The film is remembered for its soundtrack and also marked the Bollywood debut of singer Rahat Fateh Ali Khan with "Mann Ki Lagan".