The music and background music of the movie is composed by Pritam Chakraborty. The lyrics were written by Swanand Kirkire, Ashish Pandit, Neelesh Misra and Sayeed Quadri. The soundtrack album contains six original songs which were released on 9 August 2012. The soundtrack was influenced by Brazilian music Bossa nova. Priyanka Chopra was supposed to sing a track for the movie, but her contract with Universal Music prevented her from taking the offer. The soundtrack album also includes a song titled "Fatafati" which was sung by Pritam Chakraborty, Arijit Singh and Nakash Aziz. It was not used in the film, but the song was released as a promotional single on YouTube on 10 September 2012. It was released with a video that contains some behind-the-scenes footage. The additional vocals were sung by Ranbir Kapoor. The song also has some Bengali lyrics which were written by Amitabh Bhattacharya.