Stack Skyline ("Jade & Gold 1929: Topping-Out Gala") audio, used by public/audio/tower.js. Art credits live in public/assets/tower/.
All files are CC0 1.0 (added 2026-10-14 by the Stack Skyline sound pass).
Licences verified 2026-10-14: each Kenney zip contains a License.txt stating "Creative Commons Zero, CC0" and the pack pages
state CC0; each OpenGameArt page's License field reads CC0 (no comments on those pages question provenance).
Files are copied unchanged (renamed only), except music-rush.mp3 (see its line).
Format: file | title / pack / original file | author | source URL | licence

music-main.ogg | "Catchy Swing" / catchyswing.ogg | Doge | https://opengameart.org/content/catchy-swing | CC0 1.0
music-rush.mp3 | "Electro Swing type" / electroswingster.mp3, first 32 s cut on MP3 frame boundaries (no re-encode) | G_P | https://opengameart.org/content/electro-swing-type | CC0 1.0
music-results.ogg | Music Jingles / jingles_SAX07.ogg | Kenney (kenney.nl) | https://kenney.nl/assets/music-jingles | CC0 1.0
sfx-topout.ogg | Music Jingles / jingles_SAX03.ogg | Kenney (kenney.nl) | https://kenney.nl/assets/music-jingles | CC0 1.0
sfx-streak-1.ogg | Music Jingles / jingles_SAX04.ogg | Kenney (kenney.nl) | https://kenney.nl/assets/music-jingles | CC0 1.0
sfx-streak-2.ogg | Music Jingles / jingles_SAX08.ogg | Kenney (kenney.nl) | https://kenney.nl/assets/music-jingles | CC0 1.0
sfx-vo-3.ogg | Voiceover Pack / Female/3.ogg | Kenney (kenney.nl) | https://kenney.nl/assets/voiceover-pack | CC0 1.0
sfx-vo-2.ogg | Voiceover Pack / Female/2.ogg | Kenney (kenney.nl) | https://kenney.nl/assets/voiceover-pack | CC0 1.0
sfx-vo-1.ogg | Voiceover Pack / Female/1.ogg | Kenney (kenney.nl) | https://kenney.nl/assets/voiceover-pack | CC0 1.0
sfx-vo-go.ogg | Voiceover Pack / Female/go.ogg | Kenney (kenney.nl) | https://kenney.nl/assets/voiceover-pack | CC0 1.0
sfx-vo-hurry.ogg | Voiceover Pack / Female/hurry_up.ogg | Kenney (kenney.nl) | https://kenney.nl/assets/voiceover-pack | CC0 1.0
sfx-vo-timeover.ogg | Voiceover Pack / Female/time_over.ogg | Kenney (kenney.nl) | https://kenney.nl/assets/voiceover-pack | CC0 1.0
sfx-vo-congrats.ogg | Voiceover Pack / Female/congratulations.ogg | Kenney (kenney.nl) | https://kenney.nl/assets/voiceover-pack | CC0 1.0
sfx-tick.ogg | Interface Sounds / tick_002.ogg | Kenney (kenney.nl) | https://kenney.nl/assets/interface-sounds | CC0 1.0
sfx-bong.ogg | Interface Sounds / bong_001.ogg | Kenney (kenney.nl) | https://kenney.nl/assets/interface-sounds | CC0 1.0
sfx-buzz.ogg | Interface Sounds / error_006.ogg | Kenney (kenney.nl) | https://kenney.nl/assets/interface-sounds | CC0 1.0
sfx-bell.ogg | Impact Sounds / impactBell_heavy_000.ogg | Kenney (kenney.nl) | https://kenney.nl/assets/impact-sounds | CC0 1.0
sfx-ding-1.ogg | Impact Sounds / impactBell_heavy_002.ogg | Kenney (kenney.nl) | https://kenney.nl/assets/impact-sounds | CC0 1.0
sfx-ding-2.ogg | Impact Sounds / impactBell_heavy_004.ogg | Kenney (kenney.nl) | https://kenney.nl/assets/impact-sounds | CC0 1.0
sfx-land-1.ogg | Impact Sounds / impactPlate_medium_000.ogg | Kenney (kenney.nl) | https://kenney.nl/assets/impact-sounds | CC0 1.0
sfx-land-2.ogg | Impact Sounds / impactPlate_medium_001.ogg | Kenney (kenney.nl) | https://kenney.nl/assets/impact-sounds | CC0 1.0
sfx-land-3.ogg | Impact Sounds / impactPlate_medium_003.ogg | Kenney (kenney.nl) | https://kenney.nl/assets/impact-sounds | CC0 1.0
sfx-trim-1.ogg | "75 CC0 breaking / falling / hit sfx" / bfh1_metal_falling_03.ogg | rubberduck | https://opengameart.org/content/75-cc0-breaking-falling-hit-sfx | CC0 1.0
sfx-trim-2.ogg | "75 CC0 breaking / falling / hit sfx" / bfh1_metal_falling_04.ogg | rubberduck | https://opengameart.org/content/75-cc0-breaking-falling-hit-sfx | CC0 1.0
sfx-miss-1.ogg | "75 CC0 breaking / falling / hit sfx" / bfh1_metal_falling_01.ogg | rubberduck | https://opengameart.org/content/75-cc0-breaking-falling-hit-sfx | CC0 1.0
sfx-miss-2.ogg | "75 CC0 breaking / falling / hit sfx" / bfh1_metal_falling_02.ogg | rubberduck | https://opengameart.org/content/75-cc0-breaking-falling-hit-sfx | CC0 1.0
sfx-collapse-1.ogg | "75 CC0 breaking / falling / hit sfx" / bfh1_rock_breaking_02.ogg | rubberduck | https://opengameart.org/content/75-cc0-breaking-falling-hit-sfx | CC0 1.0
sfx-collapse-2.ogg | "75 CC0 breaking / falling / hit sfx" / bfh1_breaking_01.ogg | rubberduck | https://opengameart.org/content/75-cc0-breaking-falling-hit-sfx | CC0 1.0
sfx-rubble.ogg | "75 CC0 breaking / falling / hit sfx" / bfh1_rock_falling_01.ogg | rubberduck | https://opengameart.org/content/75-cc0-breaking-falling-hit-sfx | CC0 1.0
sfx-clear-1.ogg | "100 CC0 SFX #2" / sfx100v2_stones_01.ogg | rubberduck | https://opengameart.org/content/100-cc0-sfx-2 | CC0 1.0
sfx-clear-2.ogg | "100 CC0 SFX #2" / sfx100v2_stones_02.ogg | rubberduck | https://opengameart.org/content/100-cc0-sfx-2 | CC0 1.0
sfx-clear-3.ogg | "100 CC0 SFX #2" / sfx100v2_stones_03.ogg | rubberduck | https://opengameart.org/content/100-cc0-sfx-2 | CC0 1.0
sfx-city.ogg | "100 CC0 SFX #2" / sfx100v2_loop_construction_site.ogg | rubberduck | https://opengameart.org/content/100-cc0-sfx-2 | CC0 1.0
sfx-cheer.ogg | "Cheers" / cheers_1.ogg | Nocturnal_Vanguard | https://opengameart.org/content/cheers-0 | CC0 1.0
Procedurally generated for Tap Tavern (no fitting CC0 original found) by a small Node script that writes WAV; dedicated CC0:
sfx-rivet.wav (pneumatic riveting-gun burst), sfx-whistle.wav (three-note factory steam whistle) | Tap Tavern | generated | CC0 1.0

2026-10-17 mix pass: music files remastered with constant gain to target -20 LUFS, limited by -3 dB true-peak headroom. Original timing and loop points retained. Sources and licences above are unchanged.