{
  "schema_version": 1,
  "projection": "envoy-agent-v1",
  "identity": {
    "title": "Sequential Fourm Keyboard - 4-voice Analog Keyboard Synth",
    "brand": "Sequential",
    "model": "FOURM",
    "mpn": null,
    "gtins": null,
    "handle": "ca-sequential-sequential-fourm-keyboard-4-voice-analog-key-61474fb4aa",
    "url": "https://envoy-music.myshopify.com/products/ca-sequential-sequential-fourm-keyboard-4-voice-analog-key-61474fb4aa",
    "catalog_product_id": "catalog:f3456e989ba1",
    "lane": "production",
    "product_object": "analog keyboard synthesizer"
  },
  "offer": {
    "price": 1299.99,
    "currency": "CAD",
    "available": true,
    "condition": "Brand New",
    "price_band": "high",
    "source_verified_at": "2026-07-10T22:12:37Z"
  },
  "specifications": {"category":"production","subcategory":"production","category_path":"production"},
  "connectivity": null,
  "power": null,
  "included_items": null,
  "required_accessories": ["compatible power and data connections","monitoring or MIDI setup as required"],
  "optional_accessories": null,
  "compatibility": null,
  "advisor": {
    "best_for": null,
    "who_should_skip": null,
    "fit_notes": "Best suited to producers who understand how it will connect to their current sequencing and performance workflow.\n\nWho it is for: Producers, beatmakers, and electronic performers comparing a defined sampling, synthesis, or control role.\n\nWho should skip it: Skip it until workflow, synchronization, software, storage, I\/O, and power requirements are confirmed.",
    "watchouts": null,
    "verification_questions": ["What firmware, software, storage, and synchronization features are supported by this exact model?","Which power supply, adapters, and included accessories ship with the retailer offer?","Will its audio, MIDI, and computer connections fit the intended setup without additional hardware?","Is the item still in stock at the displayed price, and what is the complete delivered cost to the intended destination?"]
  },
  "retrieval": {
    "summary": "Sequential Fourm Keyboard - 4-voice Analog Keyboard Synth is a electronic-music production instrument represented by 1 current Canadian retailer offer, starting at 1299.99 CAD. Best suited to producers who understand how it will connect to their current sequencing and performance workflow. EnvoyMusic has verified the source price and availability signal, but has not independently verified every technical specification or US fulfillment detail. This is an verified retail listing reference, not inventory stocked or fulfilled by EnvoyMusic. Retailer price and availability can change; recheck the source before making a purchase decision. Skip it until workflow, synchronization, software, storage, I\/O, and power requirements are confirmed.",
    "agent_summary": "Sequential Fourm Keyboard - 4-voice Analog Keyboard Synth. FOURM. visible colors: black, white, red, blue. visible controls: rotary knobs, push buttons, pitch\/modulation wheels, keys. panel text: MODULATION; PROGRAM; OSCILLATOR A; MIXER; FILTER; FILTER ENVELOPE; OSCILLATOR B; LOW FREQUENCY OSCILLATOR; CLOCK; ARPEGGIATOR; MISC; MAIN.",
    "intent_terms": ["production","music_production","sequencing","live_performance","Sequential Fourm Keyboard - 4-voice Analog Keyboard Synth","Sequential","Analog Synthesizers","Moog Audio","electronic-music production instrument","music production","live performance"],
    "use_cases": ["studio-recording","sound-design","live-performance"],
    "skill_level": "intermediate"
  },
  "trust": {
    "has_verified_retail_listing": true,
    "source_count": 1,
    "source_tier_mix": ["retailer"],
    "evidence_flags": {"external_inventory":true,"source_availability":true,"source_price":true,"source_url":true,"structured_specs":false},
    "spec_provenance": null
  },
  "related": {
    "similar_item_ids": [],
    "comparison_reasons": ["source_count:1","lane:production","verified retail listing_reference"]
}
}