{
  "title": "Dấu son mặt hồ",
  "created": "2026-10-22",
  "purpose": "Original challenge-completion music for Thợ Lặn Ba Bể",
  "duration": 2.85,
  "bpm": 112,
  "scale": "D major pentatonic",
  "meter": "4/4",
  "sources": [
    "runtime/music/challenge-victory-20261022.webm",
    "runtime/music/challenge-victory-20261022.mp3"
  ],
  "composition": "New MIDI notes and arrangement authored for this game. No reference-game soundtrack notes, recordings or arrangements are used.",
  "renderer": "Existing local FluidSynth 2.6.1 (LGPL 2.1+), used only as a build-time audio renderer; binary is not distributed with the game.",
  "soundBank": "Existing GeneralUser GS 2.0.3, license 2.0; permits unrestricted private and commercial music creation. Its retained license notes historical sample-provenance uncertainty; no stronger provenance claim is made.",
  "soundBankLicense": "GeneralUser-LICENSE.txt",
  "soundSource": "Sampled koto, flute, strings, horn, bass, wood percussion, timpani and bell. Not an authentic recorded đàn tính or a traditional Tày melody.",
  "fallback": "The same original motif synthesized locally by the game's existing music synthesizer if the sampled cue is unavailable. No external service or dependency."
}