{
  "schema": "gm-songbench/v0.4",
  "schema_slug": "v0.4",
  "generated_at": "2026-10-06T19:57:18Z",
  "generator": "Zuman GM SongBench static packet generator.",
  "purpose": "AI-native audio anatomy packet for machine-legible listening, edit triage, provenance, and future curation review.",
  "ai_reader_note": "This is an AI-facing artifact packet. Do not treat it as an edit order. Use JSON as source of truth. Human canon decisions override analysis.",
  "packet_type": "anatomy_provenance_packet",
  "songbench_status": "album_wide_v0.4_read_only_packet",
  "pilot_lineage": {
    "original_v0_4_pilot_track": "Zuman",
    "current_track_is_original_pilot": false,
    "album_pass": "full_locked_glitchmob_time_read_only_pass",
    "policy": "Zuman remains the original proof-of-concept; all album packets are equivalent album-facing read-only packets generated from the same schema."
  },
  "self_verification": {
    "expected_schema": "gm-songbench/v0.4",
    "schema_slug": "v0.4",
    "generated_at_utc": "2026-10-06T19:57:18Z",
    "album_run_id": "2026-10-06T19:57:04Z",
    "freshness_version": "songbench-v0-4-glitchmob-time-full-coverage-2026-10-06-v1",
    "json_is_source_of_truth": true,
    "stable_json_url": "/glitchmob-time/songbench/spend-it-well.json",
    "versioned_json_url": "/glitchmob-time/songbench/spend-it-well.v0.4.json",
    "stable_markdown_url": "/glitchmob-time/songbench/spend-it-well.md",
    "versioned_markdown_url": "/glitchmob-time/songbench/spend-it-well.v0.4.md",
    "required_top_level_fields": [
      "schema",
      "schema_slug",
      "generated_at",
      "ai_reader_note",
      "songbench_status",
      "pilot_lineage",
      "self_verification",
      "canon_control",
      "track",
      "audio",
      "analysis",
      "diagnostics",
      "content_hashes"
    ],
    "required_diagnostic_fields": [
      "chorus_landing_band_legend",
      "chorus_landing",
      "groove_pocket",
      "section_drag",
      "label_infection_scan"
    ],
    "stale_read_warning": "If the stable URL and versioned URL disagree, prefer the newest versioned JSON path and report the stale surface."
  },
  "canon_control": {
    "canon_status": "source-verified",
    "edit_authority": "SongBench is not an edit order. It can advise; Kerry's explicit canon instruction controls.",
    "current_action": "anatomy/provenance only",
    "do_not_change": [
      "title",
      "album slot",
      "audio file",
      "lyric file",
      "locked status"
    ]
  },
  "human_ear_seed": {
    "packet_type": "anatomy_provenance_packet",
    "canon_status": "source-verified",
    "songbench_status": "album_wide_v0.4_read_only_packet",
    "human_evaluation_available": false,
    "human_listening_performed_for_packet": false,
    "placement_source": "standalone_album_source_ledger",
    "kerry_current_read": "No human listening judgment was supplied for this packet.",
    "diana_read": "",
    "album_role": "Artistic album role has not been evaluated.",
    "known_concern": "No subjective defect judgment is available. Machine diagnostics are evidence prompts only; human listening controls.",
    "why_this_track_matters": "The source ledger lists Spend It Well in GlitchMob Time slot 6.",
    "why_it_lands": [],
    "human_listen_should_verify": [
      "hook, vocal delivery, groove, and artistic album role",
      "any machine-flagged quiet windows are structure evidence, not automatic edit points",
      "performance and localized artifacts before making taste or edit judgments"
    ],
    "evidence_clear_album_job": [
      "The source ledger lists Spend It Well in GlitchMob Time slot 6.",
      "source status: source-verified",
      "source audio and lyric files are present and hashed"
    ],
    "evidence_against_or_caution": [
      "no human listening or subjective album-role evaluation was performed for this packet",
      "lyric timing is proportional only and should not be treated as verified sync",
      "machine diagnostics cannot judge vocal confidence, pocket, performance magic, or final taste value",
      "this is a read-only analysis packet and must not be treated as a request to edit audio, lyrics, title, or order"
    ]
  },
  "timing_confidence": {
    "current_level": "proportional_estimate",
    "ladder": [
      "proportional_estimate",
      "section_level_hand_alignment",
      "line_level_hand_alignment",
      "verified_lyric_audio_sync"
    ],
    "warning": "Approximate ranges support discussion only; they are not verified lyric/audio sync."
  },
  "defect_taxonomy": {
    "allowed_labels": [
      "fatal_generation_defect",
      "local_editable_defect",
      "tolerable_artifact",
      "diegetic_flaw",
      "charming_flaw",
      "performance_magic_overrides_defect",
      "album_thesis_supporting_damage",
      "no_localized_defect_flagged"
    ],
    "current_label": "no_localized_defect_flagged",
    "known_concern": "No subjective defect judgment is available. Machine diagnostics are evidence prompts only; human listening controls."
  },
  "field_source_classification": [
    {
      "field_pattern": "audio, analysis.dynamics, analysis.tempo_estimate, analysis.energy_regions_8s, analysis.quiet_windows, visual_summary_words",
      "source_kind": "audio_measured",
      "confidence": "derived_rough",
      "meaning": "Extends AI hearing with measured audio proxies."
    },
    {
      "field_pattern": "diagnostics.chorus_landing",
      "source_kind": "audio_measured_plus_section_scaffolding",
      "confidence": "rough_rms_proxy",
      "meaning": "Uses approximate lyric sections plus RMS envelope; useful for questions, not verdicts."
    },
    {
      "field_pattern": "lyric_section_map, memorable_line_anchors",
      "source_kind": "lyric_structural_scaffolding",
      "confidence": "proportional_estimate",
      "meaning": "Helps navigation but is not verified audio alignment."
    },
    {
      "field_pattern": "canon_control, human_ear_seed, evidence_clear_album_job, ai_ear_translation",
      "source_kind": "source_ledger_scaffolding",
      "confidence": "curation_context",
      "meaning": "Records source-ledger placement without a human listening judgment."
    }
  ],
  "track": {
    "title": "Spend It Well",
    "album_title": "GlitchMob Time",
    "album_key": "glitchmob-time",
    "track_number": 6,
    "status": "source-verified",
    "origin": "GlitchMob Time",
    "audio_file": "spend-it-well.m4a",
    "lyrics_file": "spend-it-well.txt",
    "audio_url": "/assets/albums/glitchmob-time/audio/spend-it-well.m4a",
    "lyrics_url": "/assets/albums/glitchmob-time/lyrics/spend-it-well.txt"
  },
  "public_links": {
    "json": "/glitchmob-time/songbench/spend-it-well.json",
    "versioned_json": "/glitchmob-time/songbench/spend-it-well.v0.4.json",
    "markdown": "/glitchmob-time/songbench/spend-it-well.md",
    "versioned_markdown": "/glitchmob-time/songbench/spend-it-well.v0.4.md",
    "waveform": "/assets/albums/glitchmob-time/songbench/spend-it-well-waveform.png",
    "spectrogram": "/assets/albums/glitchmob-time/songbench/spend-it-well-spectrogram.png",
    "loudness_csv": "/assets/albums/glitchmob-time/songbench/spend-it-well-loudness-envelope.csv"
  },
  "audio": {
    "duration_seconds": 290.0,
    "duration_display": "04:50.000",
    "codec": "opus",
    "sample_rate_hz": 48000,
    "channels": 2,
    "channel_layout": "stereo",
    "bit_rate": 132168,
    "size_bytes": 4791104,
    "sha256": "ce323275eb9435a09c842ed393871acbb911b643893e2bf191e7630546e3429a",
    "source_tags": {
      "major_brand": "isom",
      "minor_version": "512",
      "compatible_brands": "isomiso2mp41",
      "encoder": "Lavf60.16.100",
      "lyrics": "[Verse 1]\nDaddy sold his daylight\nFor a little piece of land\nMama spent the evening\nWith a paperback in hand\nEverybody's buying something\nEvery hour that we're awake\nSome are building something lasting\nSome are taking what they take\n[Pre-Chorus]\nYou can stack your silver higher\nYou can put it in a vault\nBut the minute that just left you\nAin't coming when you call\n[Chorus]\nTime is the money\nTime is the money\nYou don't ever earn again\nSpend some making something\nSpend some laughing with your friends\nSpend some doing nothing\nIf doing nothing serves you well\nEvery day you're buying something\nSo spend it well\n[Verse 2]\nNow the machines are getting faster\nThey can work while we're asleep\nBuild a thousand little wonders\nWhile we're scrolling six feet deep\nWe keep saying \"someday later\"\nLike tomorrow owes a debt\nBut the future keeps on coming\nAnd it hasn't paid us yet\n[Pre-Chorus]\nYou can automate the labor\nYou can make the engines hum\nBut nobody's found a machine yet\nThat can give you back what's gone\n[Chorus]\nTime is the money\nYou don't ever earn again\nSpend some making something\nSpend some loving where you've been\nSpend some watching daylight\nDisappear beyond the hill\nYou don't have to make a fortune\nJust spend it well\n[Bridge]\nRest ain't wasted\nWork ain't holy\nMotion doesn't mean you're free\nBuild what matters\nLeave some empty\nRoom for who you want to be\nAnd when the new world comes a-running\nWith a thousand ways to save\nEvery second that it gives us\nIs another one to spend\n[Verse 3]\nMaybe someday we'll have helpers\nThat can carry half the load\nMaybe no one has to measure\nEvery life by what it sold\nThen the question gets much harder\nWhen necessity is gone:\nWhat deserves your Tuesday morning?\nWhat deserves your whole life long?\n[Final Chorus]\nTime is the money\nYou don't ever earn again\nSpend some making something\nSpend some lying in the wind\nSpend it on your people\nSpend it on a tale worth telling\nYou were rich the day they gave it\nIf you spent it well\n[Outro]\nThe clock don't care\nThe clock don't sell\nYou got your share\nSpend it well.",
      "comment": "made with suno; created=2026-10-06T05:44:48Z; id=dc409517-e7f2-466b-bdd7-aa183d830f14"
    }
  },
  "content_hashes": {
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      "url": "/assets/albums/glitchmob-time/audio/spend-it-well.m4a",
      "sha256": "ce323275eb9435a09c842ed393871acbb911b643893e2bf191e7630546e3429a",
      "hash_algorithm": "sha256",
      "file_extension": ".m4a"
    },
    "waveform_png": {
      "url": "/assets/albums/glitchmob-time/songbench/spend-it-well-waveform.png",
      "sha256": "0672431e9d20d827c771c77e56e7a4d4d21bb868ddcee4ee3791f82ff9146d41",
      "hash_algorithm": "sha256"
    },
    "spectrogram_png": {
      "url": "/assets/albums/glitchmob-time/songbench/spend-it-well-spectrogram.png",
      "sha256": "bb76144b4fac2ab41725e7e9e5ea44a57f58ea4221a96a0956e9079e1b55b9d0",
      "hash_algorithm": "sha256"
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    "loudness_envelope_csv": {
      "url": "/assets/albums/glitchmob-time/songbench/spend-it-well-loudness-envelope.csv",
      "sha256": "a1054081baea06d476e0a8d6e77fc63dec007fe60781a39abd74447dc0f52d35",
      "hash_algorithm": "sha256"
    },
    "lyrics_txt": {
      "url": "/assets/albums/glitchmob-time/lyrics/spend-it-well.txt",
      "sha256": "8869258e89c98093a9902a428f34a0953f2f080e5777ea892c43e5d13c7ed8c8",
      "hash_algorithm": "sha256",
      "serialization": "UTF-8 display text stripped at boundaries with a final LF, matching the site builder"
    }
  },
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      "source_file": "spend-it-well.m4a",
      "sha256": "ce323275eb9435a09c842ed393871acbb911b643893e2bf191e7630546e3429a",
      "hash_algorithm": "sha256"
    },
    "lyrics": {
      "source_file": "spend-it-well.txt",
      "sha256": "9583d512ac7d32a6bfc16fd5b088bf7a3d9d759136597356da6e478606c1bb9a",
      "hash_algorithm": "sha256"
    }
  },
  "analysis": {
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      "sample_rate_hz": 22050,
      "sample_count": 6394798,
      "peak_amplitude": 0.99918,
      "peak_dbfs": -0.007,
      "rms_amplitude": 0.223146,
      "rms_dbfs": -13.028,
      "crest_factor_db": 13.021
    },
    "tempo_estimate": {
      "bpm": 88,
      "method": "rough RMS-onset autocorrelation over mono downmix",
      "confidence": "rough",
      "score_ratio_to_second": 1.0,
      "alternate_candidates": [
        {
          "bpm": 88,
          "relative_score": 1.0
        },
        {
          "bpm": 87,
          "relative_score": 1.0
        },
        {
          "bpm": 86,
          "relative_score": 1.0
        },
        {
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          "relative_score": 1.0
        },
        {
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          "relative_score": 1.0
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    "quiet_windows": [
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        "center_seconds": 1.25,
        "center_time": "00:01.250",
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        "category": "intro_silence",
        "edit_candidate": false,
        "use": "intro or setup silence"
      },
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        "center_seconds": 2.25,
        "center_time": "00:02.250",
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        "use": "local energy dip; useful as structure evidence"
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        "end_seconds": 208.0,
        "time_range": "03:20.000-03:28.000",
        "avg_rms_dbfs": -16.17,
        "max_peak_dbfs": -2.674
      },
      {
        "start_seconds": 208.0,
        "end_seconds": 216.0,
        "time_range": "03:28.000-03:36.000",
        "avg_rms_dbfs": -15.88,
        "max_peak_dbfs": -2.36
      },
      {
        "start_seconds": 216.0,
        "end_seconds": 224.0,
        "time_range": "03:36.000-03:44.000",
        "avg_rms_dbfs": -13.298,
        "max_peak_dbfs": -1.288
      },
      {
        "start_seconds": 224.0,
        "end_seconds": 232.0,
        "time_range": "03:44.000-03:52.000",
        "avg_rms_dbfs": -10.882,
        "max_peak_dbfs": -1.611
      },
      {
        "start_seconds": 232.0,
        "end_seconds": 240.0,
        "time_range": "03:52.000-04:00.000",
        "avg_rms_dbfs": -12.406,
        "max_peak_dbfs": -1.088
      },
      {
        "start_seconds": 240.0,
        "end_seconds": 248.0,
        "time_range": "04:00.000-04:08.000",
        "avg_rms_dbfs": -11.539,
        "max_peak_dbfs": -1.35
      },
      {
        "start_seconds": 248.0,
        "end_seconds": 256.0,
        "time_range": "04:08.000-04:16.000",
        "avg_rms_dbfs": -10.323,
        "max_peak_dbfs": -0.65
      },
      {
        "start_seconds": 256.0,
        "end_seconds": 264.0,
        "time_range": "04:16.000-04:24.000",
        "avg_rms_dbfs": -12.534,
        "max_peak_dbfs": -1.395
      },
      {
        "start_seconds": 264.0,
        "end_seconds": 272.0,
        "time_range": "04:24.000-04:32.000",
        "avg_rms_dbfs": -15.321,
        "max_peak_dbfs": -1.113
      },
      {
        "start_seconds": 272.0,
        "end_seconds": 280.0,
        "time_range": "04:32.000-04:40.000",
        "avg_rms_dbfs": -9.991,
        "max_peak_dbfs": -0.496
      },
      {
        "start_seconds": 280.0,
        "end_seconds": 288.0,
        "time_range": "04:40.000-04:48.000",
        "avg_rms_dbfs": -9.546,
        "max_peak_dbfs": -0.007
      },
      {
        "start_seconds": 288.0,
        "end_seconds": 290.0,
        "time_range": "04:48.000-04:50.000",
        "avg_rms_dbfs": -24.247,
        "max_peak_dbfs": -1.54
      }
    ],
    "visual_assets": {
      "waveform_png": "/assets/albums/glitchmob-time/songbench/spend-it-well-waveform.png",
      "spectrogram_png": "/assets/albums/glitchmob-time/songbench/spend-it-well-spectrogram.png",
      "loudness_envelope_csv": "/assets/albums/glitchmob-time/songbench/spend-it-well-loudness-envelope.csv"
    }
  },
  "lyric_section_map": [
    {
      "label": "Verse 1",
      "section_kind": "verse 1",
      "section_source": "explicit_lyric_heading",
      "line_count": 8,
      "approx_start_seconds": 0.0,
      "approx_end_seconds": 32.676,
      "approx_time_range": "00:00.000-00:32.676",
      "timing_confidence": "low_proportional_lyrics_only",
      "first_line": "Daddy sold his daylight",
      "last_line": "Some are taking what they take"
    },
    {
      "label": "Pre-Chorus",
      "section_kind": "pre-chorus",
      "section_source": "explicit_lyric_heading",
      "line_count": 4,
      "approx_start_seconds": 32.676,
      "approx_end_seconds": 49.014,
      "approx_time_range": "00:32.676-00:49.014",
      "timing_confidence": "low_proportional_lyrics_only",
      "first_line": "You can stack your silver higher",
      "last_line": "Ain't coming when you call"
    },
    {
      "label": "Chorus",
      "section_kind": "chorus",
      "section_source": "explicit_lyric_heading",
      "line_count": 9,
      "approx_start_seconds": 49.014,
      "approx_end_seconds": 85.775,
      "approx_time_range": "00:49.014-01:25.775",
      "timing_confidence": "low_proportional_lyrics_only",
      "first_line": "Time is the money",
      "last_line": "So spend it well"
    },
    {
      "label": "Verse 2",
      "section_kind": "verse 2",
      "section_source": "explicit_lyric_heading",
      "line_count": 8,
      "approx_start_seconds": 85.775,
      "approx_end_seconds": 118.451,
      "approx_time_range": "01:25.775-01:58.451",
      "timing_confidence": "low_proportional_lyrics_only",
      "first_line": "Now the machines are getting faster",
      "last_line": "And it hasn't paid us yet"
    },
    {
      "label": "Pre-Chorus",
      "section_kind": "pre-chorus",
      "section_source": "explicit_lyric_heading",
      "line_count": 4,
      "approx_start_seconds": 118.451,
      "approx_end_seconds": 134.789,
      "approx_time_range": "01:58.451-02:14.789",
      "timing_confidence": "low_proportional_lyrics_only",
      "first_line": "You can automate the labor",
      "last_line": "That can give you back what's gone"
    },
    {
      "label": "Chorus",
      "section_kind": "chorus",
      "section_source": "explicit_lyric_heading",
      "line_count": 8,
      "approx_start_seconds": 134.789,
      "approx_end_seconds": 167.465,
      "approx_time_range": "02:14.789-02:47.465",
      "timing_confidence": "low_proportional_lyrics_only",
      "first_line": "Time is the money",
      "last_line": "Just spend it well"
    },
    {
      "label": "Bridge",
      "section_kind": "bridge",
      "section_source": "explicit_lyric_heading",
      "line_count": 10,
      "approx_start_seconds": 167.465,
      "approx_end_seconds": 208.31,
      "approx_time_range": "02:47.465-03:28.310",
      "timing_confidence": "low_proportional_lyrics_only",
      "first_line": "Rest ain't wasted",
      "last_line": "Is another one to spend"
    },
    {
      "label": "Verse 3",
      "section_kind": "verse 3",
      "section_source": "explicit_lyric_heading",
      "line_count": 8,
      "approx_start_seconds": 208.31,
      "approx_end_seconds": 240.986,
      "approx_time_range": "03:28.310-04:00.986",
      "timing_confidence": "low_proportional_lyrics_only",
      "first_line": "Maybe someday we'll have helpers",
      "last_line": "What deserves your whole life long?"
    },
    {
      "label": "Final Chorus",
      "section_kind": "final chorus",
      "section_source": "explicit_lyric_heading",
      "line_count": 8,
      "approx_start_seconds": 240.986,
      "approx_end_seconds": 273.662,
      "approx_time_range": "04:00.986-04:33.662",
      "timing_confidence": "low_proportional_lyrics_only",
      "first_line": "Time is the money",
      "last_line": "If you spent it well"
    },
    {
      "label": "Outro",
      "section_kind": "outro",
      "section_source": "explicit_lyric_heading",
      "line_count": 4,
      "approx_start_seconds": 273.662,
      "approx_end_seconds": 290.0,
      "approx_time_range": "04:33.662-04:50.000",
      "timing_confidence": "low_proportional_lyrics_only",
      "first_line": "The clock don't care",
      "last_line": "Spend it well."
    }
  ],
  "ai_ear_translation": [
    "Source-ledger context: The source ledger lists Spend It Well in GlitchMob Time slot 6.",
    "Album role: Artistic album role has not been evaluated.",
    "The audio packet should help later reviewers compare waveform energy, section shape, and lyric thesis without depending only on memory.",
    "Subjective defects have not been evaluated; machine diagnostics are evidence prompts only."
  ],
  "evidence_clear_album_job": [
    "The source ledger lists Spend It Well in GlitchMob Time slot 6.",
    "source status: source-verified",
    "source audio and lyric files are present and hashed"
  ],
  "evidence_against_or_caution": [
    "no human listening or subjective album-role evaluation was performed for this packet",
    "lyric timing is proportional only and should not be treated as verified sync",
    "machine diagnostics cannot judge vocal confidence, pocket, performance magic, or final taste value",
    "this is a read-only analysis packet and must not be treated as a request to edit audio, lyrics, title, or order"
  ],
  "human_listen_should_verify": [
    "hook, vocal delivery, groove, and artistic album role",
    "any machine-flagged quiet windows are structure evidence, not automatic edit points",
    "performance and localized artifacts before making taste or edit judgments"
  ],
  "memorable_line_anchors": [
    {
      "role": "first_thesis_line",
      "line": "Daddy sold his daylight",
      "timing": "00:00.000-00:32.676"
    },
    {
      "role": "hook_line",
      "line": "Time is the money",
      "timing": "00:49.014-01:25.775"
    },
    {
      "role": "turn_line",
      "line": "Rest ain't wasted",
      "timing": "02:47.465-03:28.310"
    },
    {
      "role": "final_identity_line",
      "line": "Spend it well.",
      "timing": "04:33.662-04:50.000"
    }
  ],
  "diagnostics": {
    "chorus_landing_band_legend": [
      {
        "band": "within_noise",
        "rough_delta_db": "abs(delta) < 0.75",
        "meaning": "RMS difference is too small to treat as a meaningful lift/drop proxy."
      },
      {
        "band": "modest_lift",
        "rough_delta_db": "0.75 <= delta < 2.0",
        "meaning": "RMS proxy suggests a small lift into the chorus."
      },
      {
        "band": "notable_lift",
        "rough_delta_db": "delta >= 2.0",
        "meaning": "RMS proxy suggests a clear energy lift into the chorus."
      },
      {
        "band": "modest_drop",
        "rough_delta_db": "-2.0 < delta <= -0.75",
        "meaning": "RMS proxy suggests a small drop entering the section."
      },
      {
        "band": "notable_drop_or_fade",
        "rough_delta_db": "delta <= -2.0",
        "meaning": "RMS proxy suggests a clear drop, often requiring fade/context caveats."
      }
    ],
    "chorus_landing": [
      {
        "section_label": "Chorus",
        "section_kind": "chorus",
        "landing_kind": "chorus_heading",
        "approx_time_range": "00:49.014-01:25.775",
        "hook_line": "Time is the money",
        "energy_lift_rough_db": 2.9,
        "energy_lift_band": "notable_lift",
        "measurement_confidence": "rough_rms_proxy",
        "overlaps_ending_fade": false,
        "interpretation_caveat": "",
        "machine_proxy": "Banded RMS change near the chorus/drop landing; does not judge vocal confidence or hook feel.",
        "human_ear_should_verify": [
          "hook/drop arrives cleanly",
          "vocal sounds confident",
          "repetition strengthens rather than fatigues",
          "landing section justifies the track's album role"
        ]
      },
      {
        "section_label": "Chorus",
        "section_kind": "chorus",
        "landing_kind": "chorus_heading",
        "approx_time_range": "02:14.789-02:47.465",
        "hook_line": "Time is the money",
        "energy_lift_rough_db": 2.9,
        "energy_lift_band": "notable_lift",
        "measurement_confidence": "rough_rms_proxy",
        "overlaps_ending_fade": false,
        "interpretation_caveat": "",
        "machine_proxy": "Banded RMS change near the chorus/drop landing; does not judge vocal confidence or hook feel.",
        "human_ear_should_verify": [
          "hook/drop arrives cleanly",
          "vocal sounds confident",
          "repetition strengthens rather than fatigues",
          "landing section justifies the track's album role"
        ]
      },
      {
        "section_label": "Final Chorus",
        "section_kind": "final chorus",
        "landing_kind": "chorus_heading",
        "approx_time_range": "04:00.986-04:33.662",
        "hook_line": "Time is the money",
        "energy_lift_rough_db": -0.4,
        "energy_lift_band": "within_noise",
        "measurement_confidence": "rough_rms_proxy",
        "overlaps_ending_fade": true,
        "interpretation_caveat": "This window overlaps the ending fade; do not read a negative band as a weak-chorus verdict.",
        "machine_proxy": "Banded RMS change near the chorus/drop landing; does not judge vocal confidence or hook feel.",
        "human_ear_should_verify": [
          "hook/drop arrives cleanly",
          "vocal sounds confident",
          "repetition strengthens rather than fatigues",
          "landing section justifies the track's album role"
        ]
      }
    ],
    "groove_pocket": {
      "tempo_proxy_bpm": 88,
      "tempo_confidence": "rough",
      "crest_factor_db": 13.021,
      "machine_proxy": "Rough tempo and dynamics only; pocket is a human-ear judgment until beat-grid analysis exists.",
      "human_ear_should_verify": [
        "rhythm section feels alive",
        "bass/drum relationship supports the vocal",
        "track feels like a song first and lore second"
      ]
    },
    "section_drag": {
      "machine_proxy": "Flags long proportional sections only; it cannot decide whether a bridge or outro has earned its length.",
      "track_duration_seconds": 290.0,
      "long_sections": [],
      "human_ear_should_verify": [
        "bridge does not overstay",
        "final chorus arrives at the right time",
        "outro adds meaning rather than merely continuing",
        "natural radio-edit endpoint exists only if Kerry asks for one"
      ]
    },
    "label_infection_scan": {
      "status": "no_obvious_label_infection_detected",
      "known_artifact_class": "sung stage direction / speaker label / call-response label infection",
      "matches": [],
      "human_ear_should_verify": "No sung metadata labels are present in the lyric text; audio review is still required before declaring the performance clean."
    }
  },
  "visual_summary_words": [
    "Loudest 8-second region by RMS proxy: 04:40.000-04:48.000 at -9.546 dBFS.",
    "Quietest 8-second region by RMS proxy: 00:00.000-00:08.000 at -26.002 dBFS.",
    "Waveform and spectrogram images should be read as supporting evidence for section density, energy ramps, and unusual transients, not as final taste judgments."
  ],
  "edit_triage": [
    "Current action: no edit requested for this track.",
    "Use quiet_windows as future splice/crop candidate evidence only after human listening confirms a local defect.",
    "Preserve title, GMT slot 06, audio file, and lyric file unless Kerry explicitly reopens the track."
  ],
  "quality_notes": [
    "Tempo is a rough autocorrelation estimate, not a beat-tracker guarantee.",
    "Lyric section timestamps are low-confidence proportional anchors until hand-aligned line timestamps are produced.",
    "Display fields normalize known mojibake if encountered; active source lyric files should remain clean UTF-8.",
    "Waveform and spectrogram are generated evidence assets suitable for AI/native review."
  ]
}