Music 
In September 2010, reports indicated that Khan had signed Hans Zimmer to compose the background score for the film;[16] it was later dismissed as a rumor by the film's director.[17] Music composers Vishal-Shekhar were signed on to work on the film's soundtrack along with Akon recording two songs for the film. The singer arrived in India on March 8, 2010 and recorded the songs.[18] In May 2011, it was reported that Chammak Challo, one of the two songs sung by Akon, was leaked on the internet.[19]
In September 2010, reports indicated that Khan had signed Hans Zimmer to compose the background score for the film;[16] it was later dismissed as a rumor by the film's director.[17] Music composers Vishal-Shekhar were signed on to work on the film's soundtrack along with Akon recording two songs for the film. The singer arrived in India on March 8, 2010 and recorded the songs.[18] In May 2011, it was reported that Chammak Challo, one of the two songs sung by Akon, was leaked on the internet.[19]
