{
  "schema_version": 1,
  "projection": "envoy-agent-v1",
  "identity": {
    "title": "1999 Boss DR-770 Dr. Rhythm Drum Machine - Blue",
    "brand": "Boss",
    "model": null,
    "mpn": null,
    "gtins": null,
    "handle": "gm-boss-dr-770-dr-rhythm-1999-boss-dr-770-dr-rhythm-drum-machine-blue-a144b7a0",
    "url": "https://envoy-music.myshopify.com/products/gm-boss-dr-770-dr-rhythm-1999-boss-dr-770-dr-rhythm-drum-machine-blue-a144b7a0",
    "catalog_product_id": "product_668c4405a144b7a0",
    "lane": "production",
    "product_object": "drum machines"
  },
  "offer": {
    "price": 267.15,
    "currency": "CAD",
    "available": true,
    "condition": "Very Good",
    "price_band": "mid",
    "source_verified_at": null
  },
  "specifications": {"category":"Keyboards and Synths","subcategory":"Drum Machines","category_path":"Keyboards and Synths \/ Drum Machines"},
  "connectivity": null,
  "power": null,
  "included_items": null,
  "required_accessories": ["keyboard stand","sustain pedal","headphones or amp"],
  "optional_accessories": null,
  "compatibility": null,
  "advisor": {
    "best_for": null,
    "who_should_skip": null,
    "fit_notes": "Best suited to beginners or budget-constrained shoppers building a first usable rig.\n\nWho it is for: Players building a first keyboards and synths setup with limited budget and a need for obvious, low-friction value.\n\nWho should skip it: Skip it if you need advanced feature depth, tour-grade reliability, or a fully pro-ready setup out of the gate.",
    "watchouts": null,
    "verification_questions": ["Can you confirm exactly what is included in the sale and show it in current photos?","Are there any functional issues, repairs, or missing parts not shown in the listing?","Can you provide close-up photos of wear points, serial numbers, and any modifications?","Can you confirm the core specs that matter for compatibility in this setup?","Is this still available and has anything changed since the listing was posted?"]
  },
  "retrieval": {
    "summary": "1999 Boss DR-770 Dr. Rhythm Drum Machine - Blue. Boss. DR-770 Dr. Rhythm. Keyboards and Synths. Keyboards and Synths \/ Drum Machines. available from reverb. price range 195 USD. condition Very Good. 1999 Boss DR-770 Dr. Rhythm Drum Machine - Blue. Very cool drum machine. First production year. Very good shape, everything works great. Comes with original power supply.. 1999 Boss DR-770 Dr. Rhythm Drum Machine - Blue. Boss. DR-770 Dr. Rhythm. Blue. Very Good. Keyboards and Synths. Keyboards and Synths \/ Drum Machines. 1999 Boss DR-770 Dr. Rhythm Drum Machine - Blue. Very cool drum machine. First production year. Very good shape, everything works great. Comes with original power supply.. Guitar Garage. Austin, TX, United States. tags source:reverb family:keyboards_and_synths listing_status:live brand:boss model:dr_770_dr_rhythm category:keyboards_and_synths_drum_machines price_band:entry segment:beginner condition:very_good has:photos",
    "agent_summary": "Boss DR-770 Dr. Rhythm is a beginner-friendly keyboards and synths listing with marketplace-sourced data. 1999 Boss DR-770 Dr. Rhythm Drum Machine - Blue currently sits around 195 USD. 1999 Boss DR-770 Dr. Marketplace data is richer on listing context, but it needs more buyer verification. Good visual coverage for spot-checking the item. Marketplace listing quality varies by seller, so condition and included items still need verification.",
    "intent_terms": ["1999 Boss DR-770 Dr. Rhythm Drum Machine - Blue","Boss","DR-770 Dr. Rhythm","Keyboards and Synths","Keyboards and Synths \/ Drum Machines","brand:boss","category:keyboards_and_synths_drum_machines","condition:very_good","family:keyboards_and_synths","has:photos","listing_status:live","model:dr_770_dr_rhythm","price_band:entry","segment:beginner","source:reverb","brand boss","category keyboards and synths drum machines","condition very good","family keyboards and synths","has photos","listing status live","model dr 770 dr rhythm","price band entry","segment beginner","source reverb","practice","starter-rig","live-performance","tone-shaping","Guitar Garage","Best suited to beginners or budget-constrained shoppers building a first usable rig.","Players building a first keyboards and synths setup with limited budget and a need for obvious","low-friction value."],
    "use_cases": ["practice","home-recording","live-performance"],
    "skill_level": "beginner"
  },
  "trust": {
    "has_verified_retail_listing": true,
    "source_count": 1,
    "source_tier_mix": ["marketplace"],
    "evidence_flags": {"has_description":true,"has_images":true,"has_reviews":false,"has_specs":false,"source_count":1},
    "spec_provenance": null
  },
  "related": {
    "similar_item_ids": ["product_a51d5c9c5f7d6ca6","product_e6ee96400d9ce083","product_39f6e4b62065042c","product_5868134095a9c559"],
    "comparison_reasons": ["source_count:1","family:Keyboards and Synths","marketplace_only","identity_confidence:0.9"]
}
}