Versioned JSON records identity, roles, engine requirements, and musical constraints.
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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.
Definition
CompleteRenderer
AvailableThe referenced engine and instrument asset must be available to the local worker.
Listening approval
ApprovedTechnical validation does not replace a recorded human listening decision.
Web queue adapter
PlannedA future job will combine this profile with MusicXML, validate the request, and publish derived media.
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-256
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ed62c487c48e3e39f710d4a286d3cf09c3587989601b2d041e5d8aa0f2dcaec1concert-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 reference
audio_registry.json · instruments/HARP.mdLast synchronized
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