{
  "schema": "gm-songbench/v0.4",
  "schema_slug": "v0.4",
  "generated_at": "2026-06-20T01:37:23Z",
  "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": "original_v0.4_pilot_proof_of_concept",
  "pilot_lineage": {
    "original_v0_4_pilot_track": "Zuman",
    "current_track_is_original_pilot": true,
    "album_pass": "full_locked_friction_product_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": "2026-06-20T01:37:23Z",
    "album_run_id": "2026-06-20T01:36:42Z",
    "freshness_version": "songbench-v0-4-fp-full-coverage-2026-06-15-v1",
    "json_is_source_of_truth": true,
    "stable_json_url": "/friction-product/songbench/zuman.json",
    "versioned_json_url": "/friction-product/songbench/zuman.v0.4.json",
    "stable_markdown_url": "/friction-product/songbench/zuman.md",
    "versioned_markdown_url": "/friction-product/songbench/zuman.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": "album_locked",
    "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": "album_locked",
    "songbench_status": "original_v0.4_pilot_proof_of_concept",
    "kerry_current_read": "Zuman works as the closing naming/arrival track for Friction Product.",
    "diana_read": "",
    "album_role": "closing/title-identity seal",
    "known_concern": "The phrase 'Welcome to zuman land' may need human ear confirmation for delivery, not lyric correctness.",
    "why_this_track_matters": "It signs the album with the project identity and answers the opener's Are you Zuman? question from the digital present.",
    "why_it_lands": [
      "The title track turns the album's recurring Are you Zuman? question into a chosen identity rather than a diagnostic label.",
      "It moves from mediated device life to a human-machine self-name, giving the record a closing seal instead of only another thesis statement.",
      "Its job is structural: Ember-Glow Zuman opens the question at firelight origin; Zuman returns to it in the Face-ID present."
    ],
    "human_listen_should_verify": [
      "the final identity turn lands as earned rather than merely named",
      "Welcome to zuman land reads as canon-arrival rather than novelty",
      "chorus repetition strengthens the closer role"
    ],
    "evidence_clear_album_job": [
      "locked FP slot 15 gives the song a closing/title-identity job",
      "lyrics move from blue-white device mediation to explicit chosen identity",
      "bookends Ember-Glow Zuman by repeating the Are you Zuman? question at a later technological layer"
    ],
    "evidence_against_or_caution": [
      "lyric timing is proportional only and should not be treated as verified sync",
      "machine diagnostics cannot judge vocal confidence, pocket, or the final phrase's taste value"
    ],
    "memorable_line_anchors": [
      {
        "role": "first_thesis_line",
        "line": "Woke up to a blue-white glow",
        "timing": "proportional estimate"
      },
      {
        "role": "hook_line",
        "line": "Are you zuman?",
        "timing": "proportional estimate"
      },
      {
        "role": "choice_line",
        "line": "Or choosing where you stand?",
        "timing": "proportional estimate"
      },
      {
        "role": "distinction_line",
        "line": "Between the tool and the gun",
        "timing": "proportional estimate"
      },
      {
        "role": "final_identity_line",
        "line": "Yes, we're zuman",
        "timing": "proportional estimate"
      }
    ]
  },
  "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": "The phrase 'Welcome to zuman land' may need human ear confirmation for delivery, not lyric correctness."
  },
  "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": "human_canon_scaffolding",
      "confidence": "curation_context",
      "meaning": "Anchors machine evidence to Kerry/canon context."
    }
  ],
  "track": {
    "title": "Zuman",
    "album_title": "Friction Product",
    "album_key": "friction-product",
    "track_number": 15,
    "status": "locked",
    "origin": "Zuman v1",
    "audio_file": "Zuman.mp3",
    "lyrics_file": "Zuman.txt",
    "audio_url": "/assets/albums/friction-product/audio/zuman.mp3",
    "lyrics_url": "/assets/albums/friction-product/lyrics/zuman.txt"
  },
  "public_links": {
    "json": "/friction-product/songbench/zuman.json",
    "versioned_json": "/friction-product/songbench/zuman.v0.4.json",
    "markdown": "/friction-product/songbench/zuman.md",
    "versioned_markdown": "/friction-product/songbench/zuman.v0.4.md",
    "waveform": "/assets/albums/friction-product/songbench/zuman-waveform.png",
    "spectrogram": "/assets/albums/friction-product/songbench/zuman-spectrogram.png",
    "loudness_csv": "/assets/albums/friction-product/songbench/zuman-loudness-envelope.csv"
  },
  "audio": {
    "duration_seconds": 212.679979,
    "duration_display": "03:32.680",
    "codec": "mp3",
    "sample_rate_hz": 48000,
    "channels": 2,
    "channel_layout": "stereo",
    "bit_rate": 189625,
    "size_bytes": 5041182,
    "sha256": "ef6c3258ab1c1fc64aa1c1413be5a82a1ae6cd33aa13b39ca0762367dc1778cc",
    "source_tags": {
      "comment": "made with suno; created=2026-03-03T01:22:16Z; id=a2889dcb-3692-4364-b09e-d69d2bfdb9a0",
      "encoder": "Lavf60.16.100"
    }
  },
  "content_hashes": {
    "audio_mp3": {
      "url": "/assets/albums/friction-product/audio/zuman.mp3",
      "sha256": "ef6c3258ab1c1fc64aa1c1413be5a82a1ae6cd33aa13b39ca0762367dc1778cc",
      "hash_algorithm": "sha256"
    },
    "waveform_png": {
      "url": "/assets/albums/friction-product/songbench/zuman-waveform.png",
      "sha256": "3effbb311251fb90d66b31c9c68dfd1075a329f47cd3531d7001d8942f12c42a",
      "hash_algorithm": "sha256"
    },
    "spectrogram_png": {
      "url": "/assets/albums/friction-product/songbench/zuman-spectrogram.png",
      "sha256": "3c6b72647f0b0aa2b824a8dfadb539261335894884bfbe26123368ee00240459",
      "hash_algorithm": "sha256"
    },
    "loudness_envelope_csv": {
      "url": "/assets/albums/friction-product/songbench/zuman-loudness-envelope.csv",
      "sha256": "84db7796cab15d43a2ab147546ca7bdf6290f3c26f2cb0498f09664fe0eaf083",
      "hash_algorithm": "sha256"
    }
  },
  "analysis": {
    "dynamics": {
      "sample_rate_hz": 22050,
      "sample_count": 4689594,
      "peak_amplitude": 0.975609,
      "peak_dbfs": -0.214,
      "rms_amplitude": 0.2394,
      "rms_dbfs": -12.418,
      "crest_factor_db": 12.203
    },
    "tempo_estimate": {
      "bpm": 141,
      "method": "rough RMS-onset autocorrelation over mono downmix",
      "confidence": "rough",
      "score_ratio_to_second": 1.0,
      "alternate_candidates": [
        {
          "bpm": 141,
          "relative_score": 1.0
        },
        {
          "bpm": 140,
          "relative_score": 1.0
        },
        {
          "bpm": 139,
          "relative_score": 1.0
        },
        {
          "bpm": 138,
          "relative_score": 1.0
        },
        {
          "bpm": 137,
          "relative_score": 1.0
        }
      ]
    },
    "quiet_windows": [
      {
        "start_seconds": 1.0,
        "end_seconds": 1.5,
        "center_seconds": 1.25,
        "center_time": "00:01.250",
        "rms_dbfs": -23.891,
        "category": "intro_silence",
        "edit_candidate": false,
        "use": "intro or setup silence"
      },
      {
        "start_seconds": 2.0,
        "end_seconds": 2.5,
        "center_seconds": 2.25,
        "center_time": "00:02.250",
        "rms_dbfs": -24.46,
        "category": "intro_silence",
        "edit_candidate": false,
        "use": "intro or setup silence"
      },
      {
        "start_seconds": 4.5,
        "end_seconds": 5.0,
        "center_seconds": 4.75,
        "center_time": "00:04.750",
        "rms_dbfs": -26.109,
        "category": "intro_silence",
        "edit_candidate": false,
        "use": "intro or setup silence"
      },
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        "end_seconds": 6.0,
        "center_seconds": 5.75,
        "center_time": "00:05.750",
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        "category": "intro_silence",
        "edit_candidate": false,
        "use": "intro or setup silence"
      },
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        "start_seconds": 7.0,
        "end_seconds": 7.5,
        "center_seconds": 7.25,
        "center_time": "00:07.250",
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        "category": "intro_silence",
        "edit_candidate": false,
        "use": "intro or setup silence"
      },
      {
        "start_seconds": 50.0,
        "end_seconds": 50.5,
        "center_seconds": 50.25,
        "center_time": "00:50.250",
        "rms_dbfs": -20.708,
        "category": "natural_section_boundary_or_low_energy_moment",
        "edit_candidate": false,
        "use": "local energy dip; useful as structure evidence"
      },
      {
        "start_seconds": 85.5,
        "end_seconds": 86.0,
        "center_seconds": 85.75,
        "center_time": "01:25.750",
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        "edit_candidate": false,
        "use": "local energy dip; useful as structure evidence"
      },
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        "use": "local energy dip; useful as structure evidence"
      },
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        "category": "natural_section_boundary_or_low_energy_moment",
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        "use": "local energy dip; useful as structure evidence"
      },
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        "use": "ending fade/silence region"
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        "use": "ending fade/silence region"
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        "use": "ending fade/silence region"
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    ],
    "energy_regions_8s": [
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      {
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        "time_range": "03:04.000-03:12.000",
        "avg_rms_dbfs": -13.007,
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      {
        "start_seconds": 192.0,
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        "time_range": "03:12.000-03:20.000",
        "avg_rms_dbfs": -11.669,
        "max_peak_dbfs": -1.844
      },
      {
        "start_seconds": 200.0,
        "end_seconds": 208.0,
        "time_range": "03:20.000-03:28.000",
        "avg_rms_dbfs": -12.814,
        "max_peak_dbfs": -1.155
      },
      {
        "start_seconds": 208.0,
        "end_seconds": 212.68,
        "time_range": "03:28.000-03:32.680",
        "avg_rms_dbfs": -33.243,
        "max_peak_dbfs": -1.073
      }
    ],
    "visual_assets": {
      "waveform_png": "/assets/albums/friction-product/songbench/zuman-waveform.png",
      "spectrogram_png": "/assets/albums/friction-product/songbench/zuman-spectrogram.png",
      "loudness_envelope_csv": "/assets/albums/friction-product/songbench/zuman-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": 37.81,
      "approx_time_range": "00:00.000-00:37.810",
      "timing_confidence": "low_proportional_lyrics_only",
      "first_line": "Woke up to a blue-white glow",
      "last_line": "Just a quiet optimize"
    },
    {
      "label": "Pre-Chorus",
      "section_kind": "pre-chorus",
      "section_source": "explicit_lyric_heading",
      "line_count": 2,
      "approx_start_seconds": 37.81,
      "approx_end_seconds": 47.262,
      "approx_time_range": "00:37.810-00:47.262",
      "timing_confidence": "low_proportional_lyrics_only",
      "first_line": "No flashing sky, no warning roar",
      "last_line": "It synced — it said click for more"
    },
    {
      "label": "Chorus",
      "section_kind": "chorus",
      "section_source": "explicit_lyric_heading",
      "line_count": 8,
      "approx_start_seconds": 47.262,
      "approx_end_seconds": 85.072,
      "approx_time_range": "00:47.262-01:25.072",
      "timing_confidence": "low_proportional_lyrics_only",
      "first_line": "Are you zuman?",
      "last_line": "So raise your hand"
    },
    {
      "label": "Verse 2",
      "section_kind": "verse 2",
      "section_source": "explicit_lyric_heading",
      "line_count": 8,
      "approx_start_seconds": 85.072,
      "approx_end_seconds": 122.882,
      "approx_time_range": "01:25.072-02:02.882",
      "timing_confidence": "low_proportional_lyrics_only",
      "first_line": "We stitched the sky with satellites",
      "last_line": "Soft control at dawn"
    },
    {
      "label": "Pre-Chorus",
      "section_kind": "pre-chorus",
      "section_source": "explicit_lyric_heading",
      "line_count": 3,
      "approx_start_seconds": 122.882,
      "approx_end_seconds": 137.06,
      "approx_time_range": "02:02.882-02:17.060",
      "timing_confidence": "low_proportional_lyrics_only",
      "first_line": "We didn't fall, we leaned ahead",
      "last_line": "It synced — it said click for more"
    },
    {
      "label": "Chorus",
      "section_kind": "chorus",
      "section_source": "explicit_lyric_heading",
      "line_count": 4,
      "approx_start_seconds": 137.06,
      "approx_end_seconds": 155.965,
      "approx_time_range": "02:17.060-02:35.965",
      "timing_confidence": "low_proportional_lyrics_only",
      "first_line": "Are you zuman?",
      "last_line": "Or choosing where you stand?"
    },
    {
      "label": "Bridge",
      "section_kind": "bridge",
      "section_source": "explicit_lyric_heading",
      "line_count": 8,
      "approx_start_seconds": 155.965,
      "approx_end_seconds": 193.775,
      "approx_time_range": "02:35.965-03:13.775",
      "timing_confidence": "low_proportional_lyrics_only",
      "first_line": "You don't have to disconnect",
      "last_line": "Between the wave and the hand"
    },
    {
      "label": "Final Chorus",
      "section_kind": "final chorus",
      "section_source": "explicit_lyric_heading",
      "line_count": 4,
      "approx_start_seconds": 193.775,
      "approx_end_seconds": 212.68,
      "approx_time_range": "03:13.775-03:32.680",
      "timing_confidence": "low_proportional_lyrics_only",
      "first_line": "Yes, we're zuman",
      "last_line": "Welcome to zuman land"
    }
  ],
  "ai_ear_translation": [
    "Human/canon call: Zuman works as the closing naming/arrival track for Friction Product.",
    "Album role: closing/title-identity seal",
    "The audio packet should help later reviewers compare waveform energy, section shape, and lyric thesis without depending only on memory.",
    "No localized defect is flagged in this read-only packet; treat this as album anatomy, not an edit order."
  ],
  "evidence_clear_album_job": [
    "locked FP slot 15 gives the song a closing/title-identity job",
    "lyrics move from blue-white device mediation to explicit chosen identity",
    "bookends Ember-Glow Zuman by repeating the Are you Zuman? question at a later technological layer"
  ],
  "evidence_against_or_caution": [
    "lyric timing is proportional only and should not be treated as verified sync",
    "machine diagnostics cannot judge vocal confidence, pocket, or the final phrase's taste value"
  ],
  "human_listen_should_verify": [
    "the final identity turn lands as earned rather than merely named",
    "Welcome to zuman land reads as canon-arrival rather than novelty",
    "chorus repetition strengthens the closer role"
  ],
  "memorable_line_anchors": [
    {
      "role": "first_thesis_line",
      "line": "Woke up to a blue-white glow",
      "timing": "proportional estimate"
    },
    {
      "role": "hook_line",
      "line": "Are you zuman?",
      "timing": "proportional estimate"
    },
    {
      "role": "choice_line",
      "line": "Or choosing where you stand?",
      "timing": "proportional estimate"
    },
    {
      "role": "distinction_line",
      "line": "Between the tool and the gun",
      "timing": "proportional estimate"
    },
    {
      "role": "final_identity_line",
      "line": "Yes, we're zuman",
      "timing": "proportional estimate"
    }
  ],
  "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": "00:47.262-01:25.072",
        "hook_line": "Are you zuman?",
        "energy_lift_rough_db": 0.1,
        "energy_lift_band": "within_noise",
        "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": "02:17.060-02:35.965",
        "hook_line": "Are you zuman?",
        "energy_lift_rough_db": 2.2,
        "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": "03:13.775-03:32.680",
        "hook_line": "Yes, we're zuman",
        "energy_lift_rough_db": -5.2,
        "energy_lift_band": "notable_drop_or_fade",
        "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": 141,
      "tempo_confidence": "rough",
      "crest_factor_db": 12.203,
      "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": 212.68,
      "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: 02:16.000-02:24.000 at -10.733 dBFS.",
    "Quietest 8-second region by RMS proxy: 03:28.000-03:32.680 at -33.243 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, FP slot 15, 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."
  ]
}