Bollywood Hindi Movie Hum Tum MP3 Songs Download PagalWorld. Music composed by Jatin-Lalit. Star cast is Abhishek Bachchan, Rishi Kapoor, Saif Ali Khan, Isha Koppikar, Kirron Kher, Rani Mukerji, Rati Agnihotri, Shenaz Treasurywala, Jimmy Sheirgill .Tracks were unveiled to the public in 2004.