It was one of the most awaited films of the year, with names like Amitabh Bachchan, Shahrukh Khan, Hrithik Roshan, Kajol, Kareena Kapoor and Jaya Bachchan in the film, expectation has sky rocketed. The film is due for release by the end of the year, but the Johar`s has come out with a smart marketing move on their part.

Fans can get a special preview music of the film. Sung by Lata Mangeshkar, the title song from `Kabhi Khushi Kabhi Gham` is picturised on the film`s entire star cast. It has been made available in music stores across the country. "There is a happy version, there is a sad version, there is an instrumental version," says, Karan Johar. Smart move we must say. Lets hope the music hits the chart busters.