It's different today than it was then. In those days we were strictly amateurs. If I had wanted to stay in for the '80 Olympics, my parents couldn't have afforded it.
Music is a very integral part of the film, but it will not be as full of music as a Bollywood film.
Nowadays, if a studio assumes that his film is bad, there is always an executive that gets more nervous than usual and thinks that if they change the music, the film will become a masterpiece.

