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Instrument profileApproved

Lyrical Concert Grand

A singing grand-piano profile with phrase-shaped velocity, sustain-pedal breathing, and a centered stereo image.

EXECUTION BOUNDARY

Approved for deterministic rendering.

01
Definition

Versioned JSON records identity, roles, engine requirements, and musical constraints.

Complete
02
Renderer

The referenced engine and instrument asset must be available to the local worker.

Available
03
Listening approval

Technical validation does not replace a recorded human listening decision.

Approved
04
Web queue adapter

A future job will combine this profile with MusicXML, validate the request, and publish derived media.

Planned
CANONICAL DEFINITION

Readable by people. Stable for machines.

The database keeps searchable columns for catalog queries and preserves this JSON as the versioned rendering contract. Its SHA-256 fingerprint detects accidental changes.

SHA-2560cd533c30884163097a062e5663eb55345908b573090982692bbe16a9ec9d125
Download JSON
concert-grand-lyrical.profile.json
{
  "schema_version": 1,
  "profile_id": "concert-grand-lyrical",
  "kind": "instrument",
  "display_name": "Lyrical Concert Grand",
  "version": 1,
  "status": "approved",
  "summary": "A singing grand-piano profile with phrase-shaped velocity, sustain-pedal breathing, and a centered stereo image.",
  "used_by_current_catalog": true,
  "source_reference": "audio_registry.json \u00B7 instruments/PIANO.md",
  "renderer": {
    "available": true,
    "engine_id": "soundfont_fluidsynth",
    "plugin_or_player": "FluidSynth",
    "version": "2.6.0",
    "host": "audio_tool.py render",
    "soundfont_id": "salamander_grand"
  },
  "input_contract": {
    "current": "MIDI performance",
    "planned_web_input": "MusicXML plus this profile",
    "deterministic_performance_required": true
  },
  "performance_rules": [
    "Use velocity for timbre and render gain for level.",
    "Shape pedal changes by phrase.",
    "Preserve melody above accompaniment."
  ],
  "approval": {
    "status": "approved",
    "notes": "The piano sound and lyrical performance direction have been accepted in prior production listening."
  }
}
SOURCE OF RECORD

Profile provenance

Source referenceaudio_registry.json · instruments/PIANO.md
Last synchronized

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