song by jerry thao in a movie

[mercee]

was wondering if any of ya have seen his first movie in the united states, a movie about him having a twin.. and he fell in love with a girl that was his last name? the movie is called txiv neej yawg me.. if so.. do you guys know the song playing when he was going to leave and go back to thailand and he told her they can't be together cuz their both thaos.. i'm pretty sure the song was by jerry himself.. song was about them.. how they can't be together becuz of their last names.. any help.. well appreciate lots