An adaptation of the 1986 novel of the same name by Stephen King, the first of the two-cinematic parts[a] is directed by Andy Muschietti, and featured musical score composed by Benjamin Wallfisch.

[4][5] Wallfisch, stated that he was hugely admired of Stephen King's works since childhood and the production team sent several promos to him regarding the approach for the film score.

[6] Wallfisch stated that Jerry Goldsmith, John Williams, Alan Silvestri and Dave Grusin's compositions for film such as Poltergeist (1982), E.T.

[11] All tracks are written by Benjamin WallfischWriting for Junkee Media, Cameron Williams stated: "The soundtrack for It is light on hits but it runs deep with the story.

It’s the perfect accompaniment to all the jump scares, the building sense of dread, and the climactic final fight.

More than that, Benjamin Wallfisch’s score manages to fit in all the little human elements too, making it easier for us to connect with the characters.