Listen to X-Files (Main Theme from the TV Series) online. X-Files (Main Theme from the TV Series) is an English language song and is sung by The Movie Soundtrack Experts. X-Files (Main Theme from the TV Series), from the album Popcorn Time, Vol. 2 (Awesome Movie Soundtracks and TV Series' Themes), was released in the year 2015. The duration of the song is 3:26. Download English songs online from JioSaavn.