Contrary to reports that Aamir Khan has been roped into a special extra segment for Bombay Talkies, the 4-episode film directed by Dibakar Bannerjee, Zoya Akhtar, Karan Johar and Anurag Kashyap, the star-actor is actually part of a special theme song to commemorate 100 years of Indian cinema which will be part of the film.