{
  "schemaVersion": 3,
  "cityId": "recursive-himalaya",
  "seed": "recursive-himalaya-eightfold-01",
  "title": "Courts Within Echoes",
  "sourceWorld": {
    "worldId": "recursive-himalaya",
    "hook": "A high Himalayan city turns a square civic module into branching courts and inhabited fractals.",
    "story": "Shared meltwater descends through split stone channels; reused timber warms the houses and precise concrete apertures frame the peaks. The score repeats one degree motif at half-note and eighth-note scales, unfolding from spacious surroundings into measured communal work."
  },
  "intent": {
    "oneLine": "A slow glass motif branches into measured timber and stone rhythms as the listener enters the city.",
    "keywords": [
      "dyadic repetition",
      "clear mountain air",
      "shared water",
      "timber joinery",
      "square courts",
      "breathing space"
    ],
    "avoid": [
      "unbroken pad wash",
      "random civic percussion",
      "cinematic crescendos",
      "claims of traditional Himalayan instrumentation",
      "busy bell ostinatos"
    ]
  },
  "musicalIdentity": {
    "bpm": 72,
    "swing": 0,
    "rootMidi": 38,
    "scale": "dorian",
    "signatureMotif": [
      0,
      4,
      2,
      4,
      1,
      4,
      2
    ],
    "progression": [
      0,
      3,
      1,
      0
    ],
    "phraseBars": 8
  },
  "worldFingerprint": {
    "meter": "4/4",
    "timingBehavior": "steady",
    "material": "stone-water",
    "spatialShape": "vertical-echo",
    "arrangementBehavior": "evolving",
    "register": "high",
    "silence": 0.375
  },
  "samplePalette": [
    {
      "material": "glass",
      "intensities": [
        "light"
      ]
    },
    {
      "material": "wood",
      "intensities": [
        "light"
      ]
    },
    {
      "material": "mining",
      "intensities": [
        "medium"
      ]
    }
  ],
  "soundEffects": {
    "building.place": {
      "label": "Seat the block",
      "description": "A measured mining impact accompanies the universal placement gesture.",
      "sample": {
        "material": "mining",
        "intensity": "medium"
      },
      "gain": 0.46
    },
    "building.remove": {
      "label": "Release the joint",
      "description": "A light timber hit accompanies the universal removal gesture.",
      "sample": {
        "material": "wood",
        "intensity": "light"
      },
      "gain": 0.36
    },
    "placement.invalid": {
      "label": "Closed channel",
      "description": "A quiet glass tick accompanies the universal invalid-placement gesture.",
      "sample": {
        "material": "glass",
        "intensity": "light"
      },
      "gain": 0.16
    }
  },
  "spatialMix": {
    "nature": {
      "label": "Across the valley",
      "description": "Spaced glass notes, soft wind, long decays, isolated upper-register reflections",
      "keywords": [
        "Spaced glass notes",
        "soft wind",
        "long decays",
        "isolated upper-register reflections"
      ],
      "lead": "glass",
      "bass": "sub",
      "pad": "haze",
      "drums": "dust",
      "texture": "wind",
      "brightness": 0.48,
      "space": 0.82,
      "grit": 0.04,
      "density": 0.2
    },
    "city": {
      "label": "Within the courts",
      "description": "Clear glass motif, restrained round bass, dry timber hits, sparse stone accents",
      "keywords": [
        "Clear glass motif",
        "restrained round bass",
        "dry timber hits",
        "sparse stone accents"
      ],
      "lead": "glass",
      "bass": "round",
      "pad": "organ",
      "drums": "dust",
      "texture": "none",
      "brightness": 0.54,
      "space": 0.36,
      "grit": 0.12,
      "density": 0.46
    },
    "transition": {
      "curve": "equal-power",
      "description": "Both arrangements share a transport, D Dorian harmony and the same seven-degree motif; the slider changes their presence continuously without restarting either phrase."
    }
  }
}