A.R. Rahman's 2011 album, with lyrics by Irshad Kamil and most songs sung by Mohit Chauhan, follows a musician's rise and fall, so it works as a story even without the film. Sadda Haq is the rock anthem, Kun Faya Kun a Sufi devotional song that became hugely popular, and Phir Se Ud Chala a light,…
