Bollywood stars Shahid Kapur and Sonam Kapoor along with actor-turned director Pankaj Kapur and Pritam Chakraborty, the music director of their upcoming film `Mausam` attended a scintillating event in Mumbai on Thursday.

The occasion was to hail the success of their film`s music. Pankaj Kapur noted that every song has a definite reason and thinking behind it.