Generally, The Curse of the Black Pearl has a simple orchestral structure: the louder sections are played by low brass and low strings while the quieter sections are played only by strings or sound effects . A vital feature in the sound of this score is the horn, which reproduces all melodies with louder components. In later sequels, Zimmer transformed the score to rely more on orchestral instruments rather than synthesizers and sampled instruments. By making this change, Zimmer gave and demonstrated a livelier appearance to the score. Zimmer describes his work on Pirates of the Caribbean as something "fun" because he likes working with these styles of films: where incipient melodies can be generated while maintaining the same