A.R. Rahman - Rockstar

Rockstar is the soundtrack album, composed by A. R. Rahman, to the 2011 Hindi musical film Rockstar, directed by Imtiaz Ali, and starring Ranbir Kapoor and Nargis Fakhri in the lead roles

"Kun Faya Kun" (an Arabic phrase which means 'be, and it is'), a qawwali composed by Rahman for the film, is dedicated to Sufi saint Nizamuddin Auliya. The Dichotomy of Fame, a shehnai-guitar instrumental jugalbandi, is picturised on the late Shammi Kapoor as a gloomy-looking shehnai player in the image of Ustad Bismillah Khan, jamming with Ranbir Kapoor.. "Saadda Haq", the climax song of the film, has Ranbir Kapoor performing in front of a live audience. Ranbir had travelled to Chennai and stayed with Rahman for a week in order to "feel the song imbibe and absorb it" so that when he finally performs it, the song would be an "extension of his personality .