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Instrument profileApproved

Classical Concert Harp

A melody-led concert-harp profile with rolled harmony, restrained arpeggiation, velocity-layer phrasing, and preserved stereo body.

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-256ed62c487c48e3e39f710d4a286d3cf09c3587989601b2d041e5d8aa0f2dcaec1
Download JSON
concert-harp-classical.profile.json
{
  "schema_version": 1,
  "profile_id": "concert-harp-classical",
  "kind": "instrument",
  "display_name": "Classical Concert Harp",
  "version": 1,
  "status": "approved",
  "summary": "A melody-led concert-harp profile with rolled harmony, restrained arpeggiation, velocity-layer phrasing, and preserved stereo body.",
  "used_by_current_catalog": true,
  "source_reference": "audio_registry.json \u00B7 instruments/HARP.md",
  "renderer": {
    "available": true,
    "engine_id": "soundfont_fluidsynth",
    "plugin_or_player": "FluidSynth",
    "version": "2.6.0",
    "host": "audio_tool.py render",
    "soundfont_id": "concert_harp_stereo_vcsl"
  },
  "input_contract": {
    "current": "MIDI performance",
    "planned_web_input": "MusicXML plus this profile",
    "deterministic_performance_required": true
  },
  "performance_rules": [
    "Roll simultaneous harmony from low to high.",
    "Reserve the forte layer for phrase arrivals.",
    "Do not re-arrange a score that is already arpeggiated."
  ],
  "approval": {
    "status": "approved",
    "notes": "Classical and water-gliss harp profiles were approved in listening on 2026-09-24."
  }
}
SOURCE OF RECORD

Profile provenance

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

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