To welcome the upcoming 15th Changchun Film Festival, a symphony concert is being staged on Qixi Festival, Chinese Valentine's Day. Under the theme of "love", 12 pieces of music from classic films, including "Casablanca", are being played by Changchun Film Symphony Orchestra, bringing the audience nostalgic musical feast. Follow CGTN to the rehearsal venue and take a sneak peek at how musicians are preparing for the concert.