Like many pieces in the nineteenth century berlioz's symphonie fantastique is

I believe the correct answer is: autobiographical.

Like many pieces in the nineteenth century the "Symphonie fantastique: Épisode de la vie d'un artiste", a program symphony written by the French composer Hector Berlioz, is an autobiographical artwork as it represented Berlioz’s unrequited love for actress Harriet Smithson.