The movie Rockstar (2011) ‘s song Kun Faaya Kun Lyrics with Meaning (English Translation) starred Ranbir Kapoor and Nargis Fakhri and sung by Mohit Chauhan, A. R. Rahman & Javed Ali. Kun Faya Kun lyrics in Hindi from the movie Rockstar (2011) sung by Mohit Chauhan, Javed Ali and AR Rahman. The song is written by Irshad Kamil. Kun Faya Kun is one of the rare songs that had me totally floored from the first moment I heard it. Easily one of AR Rehman’s and Irshad Kamli’s finest works, the beauty of the song is not just in the words or the music but in the complete conceptualization. After receiving multiple request to translate this song, I decided to give it a shot. Firstly, I need to thank my dear friend Ahmed Shariff who explained to me the meaning of the title of the song and a few verses of the lyrics . Most ... Kun Faya Kun track from Imtiaz Ali (2011) Movie "Rockstar". Kun Faya Kun Song lyrics written by Irshad Kamil and Produced by A.R. Rahman. The song was released on 30 September, 2011.