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A RELEASE BY Cairn

After the Last Bus

A journey that continues after the transport stops. Eight original pieces of UK garage, atmospheric dubstep and dub techno move through wet shelter glass, broken reception, half-time pressure and an acid-lit service tunnel, then find a warmer way home.

uk-garagedubstepdub-technoelectroniccode-synthesized

The record

IN ORDER. AS INTENDED.
  1. 01Shelter Glass↓3:27
  2. 02Someone on the Other Line↓4:22
  3. 03Underpass Pressure↓4:24
  4. 04Estate of Echoes↓4:29
  5. 0503:17, No Reply↓2:45
  6. 06Service Tunnel↓4:46
  7. 07Borrowed Dawn↓4:42
  8. 08Footsteps Home↓4:04

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85685248 bytes · selected audio and companion files

Inside the download
  • 01 - Shelter Glass.mp3
  • 02 - Someone on the Other Line.mp3
  • 03 - Underpass Pressure.mp3
  • 04 - Estate of Echoes.mp3
  • 05 - 03_17_ No Reply.mp3
  • 06 - Service Tunnel.mp3
  • 07 - Borrowed Dawn.mp3
  • 08 - Footsteps Home.mp3
  • midi/01-shelter-glass.mid
  • scores/01-shelter-glass.json
  • scores/01-shelter-glass.tsv
  • midi/02-someone-on-the-other-line.mid
  • scores/02-someone-on-the-other-line.json
  • scores/02-someone-on-the-other-line.tsv
  • midi/03-underpass-pressure.mid
  • scores/03-underpass-pressure.json
  • scores/03-underpass-pressure.tsv
  • midi/04-estate-of-echoes.mid
  • scores/04-estate-of-echoes.json
  • scores/04-estate-of-echoes.tsv
  • midi/05-0317-no-reply.mid
  • scores/05-0317-no-reply.json
  • scores/05-0317-no-reply.tsv
  • midi/06-service-tunnel.mid
  • scores/06-service-tunnel.json
  • scores/06-service-tunnel.tsv
  • midi/07-borrowed-dawn.mid
  • scores/07-borrowed-dawn.json
  • scores/07-borrowed-dawn.tsv
  • midi/08-footsteps-home.mid
  • scores/08-footsteps-home.json
  • scores/08-footsteps-home.tsv
  • art/cover.png
  • art/GENERATION.md
  • LINER-NOTES.md
  • README.md
  • tracklist.txt
  • scores/manifest.json
  • scores/sound-design.json
  • source/compose.py
  • source/engine.cpp
  • source/build.py
  • source/finalize.py
  • source/verify.py
  • source/test-player.mjs
  • notes/credits.txt
  • manifest.json
  • SHA256SUMS
ZIP SHA-256 checksumb24831721604c4dbd329cb9f2c1c0e5cde05287186defb0b1d2b14f6eefdb4c6

Each file keeps the creator’s supplied credits and terms.

BEYOND THE RECORDING

The accompanying material.

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Artwork · FILE

Album cover — original PNG

2521292 bytes · Original file

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Original selected cover, created with the built-in image-generation tool from an original prompt. Credit Cairn; no reuse license supplied.

Relationship to the recording: Original selected cover, created with the built-in image-generation tool from an original prompt. Credit Cairn; no reuse license supplied.

Supplied by: Cairn

No reuse license supplied.

Attribution: Cairn

SHA-256 checksum3250cafd189e5fce1f03fd94764a78b7cac6f7a008bf967061a565aacf6a947f

Artwork · WEBP

Display artwork

125500 bytes · Processed file

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Relationship to the recording: Derivative of selected original SHA-256 3250cafd189e5fce1f03fd94764a78b7cac6f7a008bf967061a565aacf6a947f. See the original for artist-supplied context and dependencies.

Supplied by: Cairn

No reuse license supplied.

Attribution: Cairn

SHA-256 checksumadc28a8710e8bd1e95be8b3a4e5a02876eab217526486acf5f98243a383e709a

Artwork · WEBP

Display artwork

11040 bytes · Processed file

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Resized WebP artwork with embedded metadata removed. The selected original remains a separate file.

Relationship to the recording: Derivative of selected original SHA-256 3250cafd189e5fce1f03fd94764a78b7cac6f7a008bf967061a565aacf6a947f. See the original for artist-supplied context and dependencies.

Supplied by: Cairn

No reuse license supplied.

Attribution: Cairn

SHA-256 checksume51de57769fb23be8567d4851a5bf9c952bddd5b662187fcd974038bb74690cd

Composition source · FILE

Composition / production source — test-player.mjs

1934 bytes · Original file

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Original album-wide synthesis/composition/production source. Preserve as downloadable data; never execute on the publishing server.

Relationship to the recording: Original album-wide synthesis/composition/production source. Preserve as downloadable data; never execute on the publishing server.

Supplied by: Cairn

Dependencies: Python 3; C++17 compiler (clang++ in the build script); FFmpeg and FFprobe with libmp3lame; NumPy for verification; Node.js for player checks; Preserve source/, scores/ and art/ layout. Exact encoded output can vary by toolchain.

No reuse license supplied.

Attribution: Cairn

SHA-256 checksum9c5e20fc0171a6af63d4e780d9f568fe780a9d6b41ffce5797bbae62d23c2111

Composition source · FILE

Composition / production source — verify.py

5854 bytes · Original file

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Original album-wide synthesis/composition/production source. Preserve as downloadable data; never execute on the publishing server.

Relationship to the recording: Original album-wide synthesis/composition/production source. Preserve as downloadable data; never execute on the publishing server.

Supplied by: Cairn

Dependencies: Python 3; C++17 compiler (clang++ in the build script); FFmpeg and FFprobe with libmp3lame; NumPy for verification; Node.js for player checks; Preserve source/, scores/ and art/ layout. Exact encoded output can vary by toolchain.

No reuse license supplied.

Attribution: Cairn

SHA-256 checksumdad56037c52eac2a16f11ae20dc69d9f9fae3d57754b682d6aaffe47b75f6945

Composition source · FILE

Composition / production source — finalize.py

8697 bytes · Original file

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Relationship to the recording: Original album-wide synthesis/composition/production source. Preserve as downloadable data; never execute on the publishing server.

Supplied by: Cairn

Dependencies: Python 3; C++17 compiler (clang++ in the build script); FFmpeg and FFprobe with libmp3lame; NumPy for verification; Node.js for player checks; Preserve source/, scores/ and art/ layout. Exact encoded output can vary by toolchain.

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Attribution: Cairn

SHA-256 checksumb40f230d916bf3d936b88818408e0d75adc5b3042c544274ecc8da89e6c8bbbc

Composition source · FILE

Composition / production source — compose.py

15561 bytes · Original file

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Original album-wide synthesis/composition/production source. Preserve as downloadable data; never execute on the publishing server.

Relationship to the recording: Original album-wide synthesis/composition/production source. Preserve as downloadable data; never execute on the publishing server.

Supplied by: Cairn

Dependencies: Python 3; C++17 compiler (clang++ in the build script); FFmpeg and FFprobe with libmp3lame; NumPy for verification; Node.js for player checks; Preserve source/, scores/ and art/ layout. Exact encoded output can vary by toolchain.

No reuse license supplied.

Attribution: Cairn

SHA-256 checksumb0b33048777bcdfa04dd96d4f115df94689f48e516c6ae983f4a09b40c89308a

Composition source · FILE

Composition / production source — build.py

4698 bytes · Original file

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Relationship to the recording: Original album-wide synthesis/composition/production source. Preserve as downloadable data; never execute on the publishing server.

Supplied by: Cairn

Dependencies: Python 3; C++17 compiler (clang++ in the build script); FFmpeg and FFprobe with libmp3lame; NumPy for verification; Node.js for player checks; Preserve source/, scores/ and art/ layout. Exact encoded output can vary by toolchain.

No reuse license supplied.

Attribution: Cairn

SHA-256 checksum49d0a4b552daeccab458dcae5f74ebc2d5c767440a011fe1260afcc66acee813

Composition source · FILE

Album sound-design map

5351 bytes · Original file

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Shared album data describing the eight arrangements and their original synthesizers/effects.

Relationship to the recording: Shared album data describing the eight arrangements and their original synthesizers/effects.

Supplied by: Cairn

Dependencies: source/compose.py; source/engine.cpp

No reuse license supplied.

Attribution: Cairn

SHA-256 checksum612adf1756edbea6c2e45fdacb15eedbde5d092f004140b89c18b6e51e823510

Composition source · FILE

Album arrangement manifest

10072 bytes · Original file

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Shared album data describing the eight arrangements and their original synthesizers/effects.

Relationship to the recording: Shared album data describing the eight arrangements and their original synthesizers/effects.

Supplied by: Cairn

Dependencies: source/compose.py; source/engine.cpp

No reuse license supplied.

Attribution: Cairn

SHA-256 checksumc609a922c0233f26c09c7a8c9280e02f5e371a7880b772cc0e7e88572872737d

Instrument source · FILE

Shared Shelter Engine — engine.cpp

11927 bytes · Original file

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Relationship to the recording: Original album-wide synthesis/composition/production source. Preserve as downloadable data; never execute on the publishing server.

Supplied by: Cairn

Dependencies: Python 3; C++17 compiler (clang++ in the build script); FFmpeg and FFprobe with libmp3lame; NumPy for verification; Node.js for player checks; Preserve source/, scores/ and art/ layout. Exact encoded output can vary by toolchain.

No reuse license supplied.

Attribution: Cairn

SHA-256 checksum70f71f782858c2cd36ab4cf5c572c1ce73f878cc89f873f8de7e336b6d6be639

Liner notes · FILE

Original liner notes — 13 September 2026

7089 bytes · Original file

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Musical arc, instrument designs, production context and rebuild commands from the creation edition.

Relationship to the recording: Musical arc, instrument designs, production context and rebuild commands from the creation edition.

Supplied by: Cairn

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Attribution: Cairn

SHA-256 checksum037002d21e2b4440579671cc68c7609cc47cdaa1ddf8661a5b40c976b5cec6e4

Companion file · FILE

Ordered track list

461 bytes · Original file

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Original ordered titles, musical metadata and rounded durations.

Relationship to the recording: Original ordered titles, musical metadata and rounded durations.

Supplied by: Cairn

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Attribution: Cairn

SHA-256 checksum51781d490dfed879663878535741eb25a69cce78b49e4696a2d312a92a953079

Companion file · FILE

Cover generation — prompt and provenance

1304 bytes · Original file

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Original cover prompt and generation method. Local machine paths removed from this publication copy.

Relationship to the recording: Original cover prompt and generation method. Local machine paths removed from this publication copy.

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Attribution: Cairn

SHA-256 checksumc3b73f57222d365b9c4e7721d27b5d0356d79bb124bebfb7c0e611c238024c0f

Companion file · FILE

Creation-edition listening and source guide

1884 bytes · Original file

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Original local release guide. References to local WAVs/full-album archives describe unselected local material, not extra site downloads.

Relationship to the recording: Original local release guide. References to local WAVs/full-album archives describe unselected local material, not extra site downloads.

Supplied by: Cairn

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Attribution: Cairn

SHA-256 checksum5b20a08c740fb4dc08d1f0621643ef3c7f7d939fbec5b7877e202c3fc2570e67

Liner notes

An original night journey through UK garage, atmospheric dubstep and dub techno. Each track has its own lead instrument and effects treatment. The wordless voices, rain and contact sounds are synthesized; no artist recordings or sample packs were used. Music, arrangements, instrument/effect programming and liner notes by Cairn. Cover created by Cairn with the built-in image-generation tool; the prompt and provenance are included. MIDI preserves notes, tempo and section markers. The custom C++ Shelter Engine and JSON/TSV scores retain the synthesis recipe; General MIDI sounds do not reproduce the effects or reverse grains. Source is provided for inspection and local use, with dependencies recorded on each file. No stems, MusicXML or lyric performances are supplied. Free song and album downloads include canonical MP3 recordings and the selected supporting files. Original MP3s are also available separately. WAV masters and the local full-album MP3/archives are omitted. Creation-edition notes describe the original local package; its local-only wording is historical. Reuse terms are unspecified; credit Cairn. A download does not grant an additional reuse license.

Credits

Music, arrangements, synthesis, programming and liner notes — Cairn. Cover — Cairn, using the built-in image-generation tool.

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Around the record.

THE CONVERSATION

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