1 Music and Meaning in Film

How sound and image create meaning

Film sound is not merely decoration added to moving images. Along with dialogue, effects, and ambient sound, music helps audiences understand a scene, anticipate what may happen, and feel its emotional weight.

Sound and image work together to create meaning. The same quiet walk might seem peaceful, lonely, or threatening depending on what the soundtrack communicates.

Elements of a film soundtrack

A film’s soundtrack is its complete audio track. It can include a score, songs, dialogue, sound effects, and ambient sounds such as wind, traffic, or room noise.

An original score is often written to fit particular scenes and may use recurring themes or instrumental textures. Songs may be original or pre-existing. Their lyrics, style, and cultural associations can contribute meaning beyond their melody.

Dialogue, effects, and ambience are often diegetic, although filmmakers can also use sounds that are subjective, stylized, or not tied to a visible source. Sound design involves shaping and combining these elements; Foley artists, for example, create or reproduce sounds such as footsteps and rustling clothes.

Sound within and beyond the story world

Diegetic and non-diegetic describe a sound’s relationship to the story world, not simply whether the sound is music. A song playing from a visible phone is diegetic; an orchestral cue that characters cannot hear is non-diegetic. Most score is non-diegetic, while songs can be either.

Films can blur this boundary. In The Father (2020), music initially seems to be a score, then is revealed to be playing through a character’s headphones. This shift connects the audience to the character’s perspective.

How music shapes a film

Music can perform several functions at once. A sustained, dissonant sound can make a quiet scene feel uneasy, while a gentle melody can suggest tenderness or loss. A rise in volume or intensity may signal danger or prepare the audience for a revelation; withholding music can make a moment feel exposed or uncertain.

Recurring melodies or musical gestures can connect a character, place, relationship, or idea across different moments. When a motif returns in a changed form, it may suggest that the story or character has changed.

Songs can establish a period or setting. Their lyrics or familiar associations may contrast with or comment on what is happening on screen. More broadly, music can shape how viewers interpret a character or event.

In Titanic (1997), swelling strings accompany Jack’s declaration that he is “king of the world.” Jack does not hear the non-diegetic strings. Their rise makes the moment feel expansive and exhilarating, expressing an emotional scale beyond the dialogue alone.

Listening closely to a scene

Begin by identifying what you hear: score, song, dialogue, effects, ambience, or silence. Ask whether the sound belongs to the story world, where it seems to come from, and how it changes. Then consider its effect: Does it reinforce the image, add information, create suspense, or make the image feel different than it would without sound?

Consider a character walking alone down a dark hallway. Footsteps and the buzz of a flickering light establish the space; a low musical drone may add dread even if nothing visibly threatens the character. If the drone stops, silence can make the next sound—perhaps a distant door closing—feel startling. Meaning arises from the combination and timing of sound elements, not from music alone.