Beyond the Horizon documentary still
Film Score

Beyond the Horizon

Original soundtrack for an award-winning documentary on climate change — scored for strings, analog synths, and field recordings gathered on location.

Year
2024
Role
Composer & Producer
Runtime
84-minute feature
Ensemble
Strings, synths, field

About the score

Beyond the Horizon needed a score that could hold two feelings at once — grief for what's being lost, and a stubborn thread of hope. I built the palette around a small string section, a wall of modular synthesis, and field recordings captured on location: wind, ice, distant machinery. A single four-note motif recurs throughout the film, appearing first as a lullaby and returning, near the end, as something closer to a warning.

Working to picture reshaped how I write. I wrote about the experience in Five lessons from scoring my first documentary.

The brief

The director came in with a rough cut and one sentence: "It can't sound like a nature documentary." She wanted to avoid the swelling orchestral optimism the genre defaults to — the kind of score that tells an audience how to feel and, in doing so, lets them off the hook. The film needed music that sat with discomfort rather than resolving it.

The challenge

An 84-minute feature has to hold two contradictory emotions at once: grief for what is being lost, and a stubborn thread of hope that makes the ending earn its optimism. Pull too far toward grief and the audience disengages; too far toward hope and the film becomes propaganda. Every cue had to carry both at the same time, and the balance had to shift gradually across the runtime without the audience noticing the hand on the dial.

Approach

  • One motif, three lifetimes. A four-note figure appears first as a lullaby on solo piano, returns mid-film harmonised for strings, and arrives in the final act detuned and stretched across the modular system — the same notes, reading as a warning.
  • Field recordings as instruments. Wind, calving ice, and distant machinery captured on location were pitched and tuned into the harmony rather than laid under it as ambience. The score and the location sound are frequently the same material.
  • Writing silence deliberately. Three of the film's most effective moments have no score at all. Those gaps were marked on the spotting sheet as cues in their own right, so nothing crept back in during the edit.
  • Small string section, close-miked. Six players rather than a full orchestra, recorded intimately so the ensemble sounds like people in a room instead of a wall of sound.

Credits

  • Composer & producerAlex Rivera
  • DirectorDavid Park
  • Picture editorYuki Tanaka
  • String ensembleThe Quiet Sessions (6 players)
  • Score mixingAlex Rivera
  • Re-recording mixerBright Coast Studio
  • Music supervisionAtlas Films

Technical notes

Runtime scored84 minutes · 31 cues
Schedule11 weeks, spotting to final dub
Ensemble6 strings, modular synth, prepared piano
Delivery5.1 and stereo stems, 48 kHz / 24-bit

Outcome

  • Premiered on the festival circuit and picked up for streaming distribution
  • Score released as a standalone soundtrack album
  • Led to two further documentary commissions with the same production team
  • The process became the basis for this journal entry on scoring to picture

Selected cues

  • 01Opening — Impact Prelude2:58
  • 02The Long Thaw3:40
  • 03Hidden Past4:20
  • 04What Remains5:11
  • 05End Titles3:22

Impact Prelude

The film's opening cue — press play to hear it.

"Professional, creative, and easy to work with. The soundtrack exceeded all expectations." — David Park, Director

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