Paa (transl. Father) is a 2009 Indian Hindi-language comedy-drama film directed by R. Balki, starring Amitabh Bachchan, Abhishek Bachchan, and Vidya Balan. Jaya Bachchan makes a cameo appearance in the opening credits of the film as a narrator. The film is inspired by the 1996 Hollywood film Jack as per some reports and is based on the relationship of a boy with a rare genetic condition known as progeria and his parents. Amitabh Bachchan and Abhishek Bachchan, in real life, are father and son respectively, but in Paa, they played opposite roles. The film was released worldwide on 4 December 2009. Veteran composer Ilaiyaraaja scored the music.