Film Score

What is a film score?

A film score is the body of original, mostly non-diegetic music written for a film after (or while) it is edited. A film composer writes it in cues — self-contained pieces that start and stop at exact frames — and each cue is built around the length, cuts and performances of the scene it sits under.

The word covers every style. An orchestra, a solo piano, a synth drone or a percussion kit can all be a score. What makes it a score is not the instrumentation but the method: music composed to picture, for this film only. Because the audience hears it but the characters don't, the score is the clearest example of non-diegetic sound — the opposite of diegetic sound like a car radio or a band playing in the scene.

What does a film score do to the viewer?

A score works on four levels at once.

• Emotion. Music tells the audience what a neutral image means. The same shot of a swimmer in open water is a summer afternoon without music and a threat with the two-note ostinato John Williams wrote for Jaws (1975). The score stands in for the shark.
• Pace. Tempo and pulse push or hold a scene. A steady electronic pulse, like the one Trent Reznor and Atticus Ross built for The Social Network (2010), makes conversations in dorm rooms feel like a race.
• Theme and memory. A recurring melody attached to a person or idea — a leitmotif — lets the film recall a character without showing them. Williams's themes for Indiana Jones and the early Harry Potter films are textbook cases.
• Structure. A cue that starts on one scene and carries over the cut into the next binds them into a sequence, while a hard stop in the music can land harder than any cut.

The score also decides how close it sits to the action. It can sit well under the image, leaving the viewer to read it, or follow every movement beat for beat. Pushed to the extreme, that's mickey mousing: fine for cartoons and comedy, distracting elsewhere.

Background music and underscore

Background music is music that plays under dialogue or action to shape mood and rhythm without taking focus. In a scored film most of it is underscore: cues composed to sit beneath the voices, usually sparse in the mid-range where speech lives, with long notes, low strings, pads or quiet pulses rather than busy melodies. Background music can also be library (stock) music or licensed songs mixed low.

Good underscore is felt more than noticed. Three working rules:

1. Leave the dialogue band clear. Melody and dense texture go in the gaps between lines, not on top of them.
2. Enter and exit on motivated moments — a look, a cut, a door closing.
3. Don't score every scene. Wall-to-wall music trains the audience to stop listening.

In the sound mixing stage the re-recording mixer balances underscore against dialogue and effects; a cue is often pulled lower or dropped when the scene plays better dry.

How a film score is made

1. Temp track. During the edit, the editor cuts to existing music — other film scores, library tracks — to find the rhythm and tone. It helps, but directors can fall in love with the temp, and the composer then fights to escape it.
2. Spotting session. Director, composer and often the editor watch the cut and decide where each cue starts and stops and what it should do. Cues get codes such as 1M1 (reel 1, music cue 1) and timecode in and out points.
3. Themes and sketches. The composer writes the main themes first, often as suites away from picture, then adapts them to scenes. Sampled mockups let the director hear cues before recording.
4. Writing to picture. Cues are locked to timecode; hit points (a cut, a punch, a reveal) are marked, and tempo is chosen so downbeats land on them.
5. Recording and mix. Players record to click and picture, or the score is produced entirely in the box. The music is delivered as stems so the final mix can rebalance it against the rest of the track.

In FlashBoards this whole conversation can sit on one board: place temp-score references and notes on tone beside the storyboard panels of each scene, mark where every cue should enter and exit, and hand the composer a board instead of a scattered email thread.

Film score vs. soundtrack: what's the difference?

| | Film score | Soundtrack | |---|---|---| | What it is | Original music composed to picture | The film's music released as an album — often songs; technically also the whole audio track | | Who makes it | A film composer | Songwriters, artists, a music supervisor who licenses tracks | | Timing | Cut to the frame, cue by cue | Usually a song edited to fit a scene | | Typical role | Mostly non-diegetic underscore | Can be diegetic (a song on a jukebox) or non-diegetic |

A soundtrack album can contain the score, the songs or both. A quick test: if the music was written for this film by one composer and tracks its cuts, it's score; if it existed before the film and was licensed in, it's part of the song soundtrack.

Film scores worth studying

Watch these with attention on the music, then replay a scene with the sound off.

• ***Psycho* (1960), Bernard Herrmann** — a strings-only score; the shrieking violins in the shower scene show how timbre alone can carry horror.
• ***Jaws* (1975), John Williams** — two alternating notes that stand in for an unseen threat.
• ***Indiana Jones and the Last Crusade* (1989) and Harry Potter and the Sorcerer's Stone (2001), John Williams** — character themes that return and change with the story.
• ***The Social Network* (2010), Trent Reznor and Atticus Ross** — an electronic score that turns talk into momentum.
• ***Dunkirk* (2017), Hans Zimmer** — a ticking pulse and the endlessly rising Shepard tone that keep tension from ever resolving.

For the bigger picture — dialogue, effects, Foley and ambience alongside music — start from the sound in film hub.

Further reading

Kathryn Kalinak, Film Music: A Very Short Introduction (Oxford University Press, 2010). Fred Karlin and Rayburn Wright, On the Track: A Guide to Contemporary Film Scoring (Routledge).