The primary role of the score in film music is to enhance the visual storytelling by providing emotional depth, creating atmosphere, and supporting the narrative.

Source music is not typically used to create a sense of narrative, as it is music that exists within the world of the film and is heard by the characters.

A leitmotif is a musical theme that is associated with a particular character, object, or idea in a film and is used to reinforce their presence or significance.

Underscoring is music that is used to underscore the action or dialogue in a film and is typically non-diegetic, meaning that it is not heard by the characters in the film.

Source music is music that is heard by the characters in a film and is part of the world of the film, such as music playing on a radio or in a nightclub.

Non-diegetic music is music that is not heard by the characters in a film and is used to create a mood or atmosphere, such as music playing during a montage or a title sequence.

Texture is not typically considered a common element of film music that contributes to the narrative, as it is more concerned with the overall sound of the music rather than its emotional or thematic content.

Bernard Herrmann is known for his innovative use of leitmotifs in film music, particularly in his collaborations with Alfred Hitchcock.

Jaws is known for its iconic score by John Williams, which features a memorable leitmotif that is associated with the shark.

Pulp Fiction is known for its use of source music to create a sense of time and place, with a soundtrack that features a wide range of genres and artists.

2001: A Space Odyssey is known for its use of non-diegetic music to create a mood or atmosphere, with a soundtrack that features classical music and electronic music.

James Horner is known for his use of underscoring to enhance the emotional impact of scenes, particularly in his collaborations with James Cameron.

Dr. Strangelove is known for its use of music to create a sense of irony or contrast, with a soundtrack that features classical music and popular songs in unexpected ways.

Psycho is known for its use of music to create a sense of suspense or tension, with a score by Bernard Herrmann that features screeching strings and dissonant chords.

2001: A Space Odyssey is known for its use of music to create a sense of wonder or awe, with a soundtrack that features classical music and electronic music in innovative ways.