The background song of iPartment 3's final battle on the top of the forbidden city was " Ten Years ", sung by the famous Chinese musician Chen Chusheng. This song was the opening theme song of the TV series iPartment 3 and was also one of the representative songs of the series. The song had a beautiful melody, and the lyrics expressed the passage of time and the emotions of life. The audience felt a deep emotional resonance while watching the TV series.