{ "schema": "gm-songbench/v0.4", "schema_slug": "v0.4", "generated_at": "2026-06-20T01:36:44Z", "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_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": "2026-06-20T01:36:44Z", "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/ember-glow-zuman.json", "versioned_json_url": "/friction-product/songbench/ember-glow-zuman.v0.4.json", "stable_markdown_url": "/friction-product/songbench/ember-glow-zuman.md", "versioned_markdown_url": "/friction-product/songbench/ember-glow-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": "album_wide_v0.4_read_only_packet", "kerry_current_read": "Ember-Glow Zuman is locked in Friction Product slot 1; this packet records read-only album-facing evidence.", "diana_read": "", "album_role": "Opening ignition: the Zuman question arrives at the firelight origin point and frames identity as a threshold.", "known_concern": "No localized defect is asserted by this packet. Machine diagnostics are evidence prompts only; human listening controls.", "why_this_track_matters": "Opening ignition: the Zuman question arrives at the firelight origin point and frames identity as a threshold.", "why_it_lands": [ "Opening ignition: the Zuman question arrives at the firelight origin point and frames identity as a threshold.", "Its SongBench packet documents measured audio evidence around the locked album placement without changing canon.", "Its lyric-section map is navigational scaffolding until hand-aligned lyric/audio sync exists." ], "human_listen_should_verify": [ "the hook and vocal delivery support the stated album role", "any machine-flagged quiet windows are structure evidence, not automatic edit points", "the track feels like a song first and archive/provenance second" ], "evidence_clear_album_job": [ "locked Friction Product slot 1", "Opening ignition: the Zuman question arrives at the firelight origin point and frames identity as a threshold.", "included in the current Friction Product sequence with audio and lyrics present" ], "evidence_against_or_caution": [ "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 localized defect is asserted by this packet. 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": "human_canon_scaffolding", "confidence": "curation_context", "meaning": "Anchors machine evidence to Kerry/canon context." } ], "track": { "title": "Ember-Glow Zuman", "album_title": "Friction Product", "album_key": "friction-product", "track_number": 1, "status": "locked", "origin": "Friction Product", "audio_file": "Ember-Glow Zuman.mp3", "lyrics_file": "Ember-Glow Zuman.txt", "audio_url": "/assets/albums/friction-product/audio/ember-glow-zuman.mp3", "lyrics_url": "/assets/albums/friction-product/lyrics/ember-glow-zuman.txt" }, "public_links": { "json": "/friction-product/songbench/ember-glow-zuman.json", "versioned_json": "/friction-product/songbench/ember-glow-zuman.v0.4.json", "markdown": "/friction-product/songbench/ember-glow-zuman.md", "versioned_markdown": "/friction-product/songbench/ember-glow-zuman.v0.4.md", "waveform": "/assets/albums/friction-product/songbench/ember-glow-zuman-waveform.png", "spectrogram": "/assets/albums/friction-product/songbench/ember-glow-zuman-spectrogram.png", "loudness_csv": "/assets/albums/friction-product/songbench/ember-glow-zuman-loudness-envelope.csv" }, "audio": { "duration_seconds": 265.279979, "duration_display": "04:25.280", "codec": "mp3", "sample_rate_hz": 48000, "channels": 2, "channel_layout": "stereo", "bit_rate": 186191, "size_bytes": 6174102, "sha256": "5a6ce29d4e4febe9b5e24c11796bd18ef58d385aa153719f6e82d4d1a73f9913", "source_tags": { "comment": "made with suno; created=2026-04-25T08:41:59Z; id=84f0ad0b-dc09-47d6-a662-bc880d40cd5e", "encoder": "Lavf60.16.100" } }, "content_hashes": { "audio_mp3": { "url": "/assets/albums/friction-product/audio/ember-glow-zuman.mp3", "sha256": "5a6ce29d4e4febe9b5e24c11796bd18ef58d385aa153719f6e82d4d1a73f9913", "hash_algorithm": "sha256" }, "waveform_png": { "url": "/assets/albums/friction-product/songbench/ember-glow-zuman-waveform.png", "sha256": "0953943a285ef5f18903fc4202fec033c115a6368219523a2844c4e1e91741d3", "hash_algorithm": "sha256" }, "spectrogram_png": { "url": "/assets/albums/friction-product/songbench/ember-glow-zuman-spectrogram.png", "sha256": "5a7b797a62d67b7b7084ae3072790da67d952f0d2d4b89f47f61938ca94f2811", "hash_algorithm": "sha256" }, "loudness_envelope_csv": { "url": "/assets/albums/friction-product/songbench/ember-glow-zuman-loudness-envelope.csv", "sha256": "ef4ce59d278d420bd5198931f4eb10b8d8a974fa2d38cbdf6f3fcb3fe71496bf", "hash_algorithm": "sha256" } }, "analysis": { "dynamics": { "sample_rate_hz": 22050, "sample_count": 5849424, "peak_amplitude": 1.298298, "peak_dbfs": 2.267, "rms_amplitude": 0.213303, "rms_dbfs": -13.42, "crest_factor_db": 15.688 }, "tempo_estimate": { "bpm": 77, "method": "rough RMS-onset autocorrelation over mono downmix", "confidence": "rough", "score_ratio_to_second": 1.0, "alternate_candidates": [ { "bpm": 77, "relative_score": 1.0 }, { "bpm": 76, "relative_score": 1.0 }, { "bpm": 75, "relative_score": 1.0 }, { "bpm": 74, "relative_score": 1.0 }, { "bpm": 73, "relative_score": 1.0 } ] }, "quiet_windows": [ { "start_seconds": 34.5, "end_seconds": 35.0, "center_seconds": 34.75, "center_time": "00:34.750", "rms_dbfs": -32.517, "category": "natural_section_boundary_or_low_energy_moment", "edit_candidate": false, "use": "local energy dip; useful as structure evidence" }, { "start_seconds": 37.5, "end_seconds": 38.0, "center_seconds": 37.75, "center_time": "00:37.750", "rms_dbfs": -35.545, "category": "possible_splice_point", "edit_candidate": true, "use": "deep local quiet point; potential boundary only if the track is reopened" }, { "start_seconds": 44.0, "end_seconds": 44.5, "center_seconds": 44.25, "center_time": "00:44.250", "rms_dbfs": -36.464, "category": "possible_splice_point", "edit_candidate": true, "use": "deep local quiet point; potential boundary only if the track is reopened" }, { "start_seconds": 115.5, "end_seconds": 116.0, "center_seconds": 115.75, "center_time": "01:55.750", "rms_dbfs": -40.189, "category": "possible_splice_point", "edit_candidate": true, "use": "deep local quiet point; potential boundary only if the track is reopened" }, { "start_seconds": 168.0, "end_seconds": 168.5, "center_seconds": 168.25, "center_time": "02:48.250", "rms_dbfs": -71.979, "category": "possible_splice_point", "edit_candidate": true, "use": "deep local quiet point; potential boundary only if the track is reopened" }, { "start_seconds": 173.5, "end_seconds": 174.0, "center_seconds": 173.75, "center_time": "02:53.750", "rms_dbfs": -35.047, "category": "possible_splice_point", "edit_candidate": true, "use": "deep local quiet point; potential boundary only if the track is reopened" }, { "start_seconds": 177.5, "end_seconds": 178.0, "center_seconds": 177.75, "center_time": "02:57.750", "rms_dbfs": -34.851, "category": "natural_section_boundary_or_low_energy_moment", "edit_candidate": false, "use": "local energy dip; useful as structure evidence" }, { "start_seconds": 192.5, "end_seconds": 193.0, "center_seconds": 192.75, "center_time": "03:12.750", "rms_dbfs": -39.753, "category": "possible_splice_point", "edit_candidate": true, "use": "deep local quiet point; potential boundary only if the track is reopened" }, { "start_seconds": 196.0, "end_seconds": 196.5, "center_seconds": 196.25, "center_time": "03:16.250", "rms_dbfs": -44.906, "category": "possible_splice_point", "edit_candidate": true, "use": "deep local quiet point; potential boundary only if the track is reopened" }, { "start_seconds": 201.5, "end_seconds": 202.0, "center_seconds": 201.75, "center_time": "03:21.750", "rms_dbfs": -58.576, "category": "possible_splice_point", "edit_candidate": true, "use": "deep local quiet point; potential boundary only if the track is reopened" }, { "start_seconds": 203.5, "end_seconds": 204.0, "center_seconds": 203.75, "center_time": "03:23.750", "rms_dbfs": -76.14, "category": "possible_splice_point", "edit_candidate": true, "use": "deep local quiet point; potential boundary only if the track is reopened" }, { "start_seconds": 206.0, "end_seconds": 206.5, "center_seconds": 206.25, "center_time": "03:26.250", "rms_dbfs": -79.353, "category": "possible_splice_point", "edit_candidate": true, "use": "deep local quiet point; potential boundary only if the track is reopened" } ], "energy_regions_8s": [ { "start_seconds": 0.0, "end_seconds": 8.0, "time_range": "00:00.000-00:08.000", "avg_rms_dbfs": -22.822, "max_peak_dbfs": 2.267 }, { "start_seconds": 8.0, "end_seconds": 16.0, "time_range": "00:08.000-00:16.000", "avg_rms_dbfs": -21.321, "max_peak_dbfs": -1.021 }, { "start_seconds": 16.0, "end_seconds": 24.0, "time_range": "00:16.000-00:24.000", "avg_rms_dbfs": -17.311, "max_peak_dbfs": -0.734 }, { "start_seconds": 24.0, "end_seconds": 32.0, "time_range": "00:24.000-00:32.000", "avg_rms_dbfs": -22.07, "max_peak_dbfs": -0.227 }, { "start_seconds": 32.0, "end_seconds": 40.0, "time_range": "00:32.000-00:40.000", "avg_rms_dbfs": -20.209, "max_peak_dbfs": -1.45 }, { "start_seconds": 40.0, "end_seconds": 48.0, "time_range": "00:40.000-00:48.000", "avg_rms_dbfs": -22.723, "max_peak_dbfs": -1.188 }, { "start_seconds": 48.0, "end_seconds": 56.0, "time_range": "00:48.000-00:56.000", "avg_rms_dbfs": -18.364, "max_peak_dbfs": -0.773 }, { "start_seconds": 56.0, "end_seconds": 64.0, "time_range": "00:56.000-01:04.000", "avg_rms_dbfs": -13.968, "max_peak_dbfs": 0.108 }, { "start_seconds": 64.0, "end_seconds": 72.0, "time_range": "01:04.000-01:12.000", "avg_rms_dbfs": -11.956, "max_peak_dbfs": -0.796 }, { "start_seconds": 72.0, "end_seconds": 80.0, "time_range": "01:12.000-01:20.000", "avg_rms_dbfs": -12.119, "max_peak_dbfs": -0.767 }, { "start_seconds": 80.0, "end_seconds": 88.0, "time_range": "01:20.000-01:28.000", "avg_rms_dbfs": -15.447, "max_peak_dbfs": -0.913 }, { "start_seconds": 88.0, "end_seconds": 96.0, "time_range": "01:28.000-01:36.000", "avg_rms_dbfs": -14.738, "max_peak_dbfs": -0.693 }, { "start_seconds": 96.0, "end_seconds": 104.0, "time_range": "01:36.000-01:44.000", "avg_rms_dbfs": -14.938, "max_peak_dbfs": -0.466 }, { "start_seconds": 104.0, "end_seconds": 112.0, "time_range": "01:44.000-01:52.000", "avg_rms_dbfs": -15.574, "max_peak_dbfs": -0.869 }, { "start_seconds": 112.0, "end_seconds": 120.0, "time_range": "01:52.000-02:00.000", "avg_rms_dbfs": -19.805, "max_peak_dbfs": -1.471 }, { "start_seconds": 120.0, "end_seconds": 128.0, "time_range": "02:00.000-02:08.000", "avg_rms_dbfs": -14.321, "max_peak_dbfs": -0.65 }, { "start_seconds": 128.0, "end_seconds": 136.0, "time_range": "02:08.000-02:16.000", "avg_rms_dbfs": -11.213, "max_peak_dbfs": -0.351 }, { "start_seconds": 136.0, "end_seconds": 144.0, "time_range": "02:16.000-02:24.000", "avg_rms_dbfs": -11.233, "max_peak_dbfs": -0.46 }, { "start_seconds": 144.0, "end_seconds": 152.0, "time_range": "02:24.000-02:32.000", "avg_rms_dbfs": -14.234, "max_peak_dbfs": -0.856 }, { "start_seconds": 152.0, "end_seconds": 160.0, "time_range": "02:32.000-02:40.000", "avg_rms_dbfs": -11.509, "max_peak_dbfs": -0.715 }, { "start_seconds": 160.0, "end_seconds": 168.0, "time_range": "02:40.000-02:48.000", "avg_rms_dbfs": -23.176, "max_peak_dbfs": 1.507 }, { "start_seconds": 168.0, "end_seconds": 176.0, "time_range": "02:48.000-02:56.000", "avg_rms_dbfs": -22.771, "max_peak_dbfs": 0.11 }, { "start_seconds": 176.0, "end_seconds": 184.0, "time_range": "02:56.000-03:04.000", "avg_rms_dbfs": -22.562, "max_peak_dbfs": -0.195 }, { "start_seconds": 184.0, "end_seconds": 192.0, "time_range": "03:04.000-03:12.000", "avg_rms_dbfs": -21.932, "max_peak_dbfs": -0.862 }, { "start_seconds": 192.0, "end_seconds": 200.0, "time_range": "03:12.000-03:20.000", "avg_rms_dbfs": -24.755, "max_peak_dbfs": -3.267 }, { "start_seconds": 200.0, "end_seconds": 208.0, "time_range": "03:20.000-03:28.000", "avg_rms_dbfs": -38.699, "max_peak_dbfs": -0.526 }, { "start_seconds": 208.0, "end_seconds": 216.0, "time_range": "03:28.000-03:36.000", "avg_rms_dbfs": -10.551, "max_peak_dbfs": -1.594 }, { "start_seconds": 216.0, "end_seconds": 224.0, "time_range": "03:36.000-03:44.000", "avg_rms_dbfs": -10.618, "max_peak_dbfs": -1.456 }, { "start_seconds": 224.0, "end_seconds": 232.0, "time_range": "03:44.000-03:52.000", "avg_rms_dbfs": -13.253, "max_peak_dbfs": -1.315 }, { "start_seconds": 232.0, "end_seconds": 240.0, "time_range": "03:52.000-04:00.000", "avg_rms_dbfs": -11.143, "max_peak_dbfs": -1.223 }, { "start_seconds": 240.0, "end_seconds": 248.0, "time_range": "04:00.000-04:08.000", "avg_rms_dbfs": -10.607, "max_peak_dbfs": -1.305 }, { "start_seconds": 248.0, "end_seconds": 256.0, "time_range": "04:08.000-04:16.000", "avg_rms_dbfs": -10.603, "max_peak_dbfs": -1.542 }, { "start_seconds": 256.0, "end_seconds": 264.0, "time_range": "04:16.000-04:24.000", "avg_rms_dbfs": -15.888, "max_peak_dbfs": -1.836 }, { "start_seconds": 264.0, "end_seconds": 265.28, "time_range": "04:24.000-04:25.280", "avg_rms_dbfs": -54.764, "max_peak_dbfs": -34.845 } ], "visual_assets": { "waveform_png": "/assets/albums/friction-product/songbench/ember-glow-zuman-waveform.png", "spectrogram_png": "/assets/albums/friction-product/songbench/ember-glow-zuman-spectrogram.png", "loudness_envelope_csv": "/assets/albums/friction-product/songbench/ember-glow-zuman-loudness-envelope.csv" } }, "lyric_section_map": [ { "label": "Intro", "section_kind": "intro", "section_source": "explicit_lyric_heading", "line_count": 3, "approx_start_seconds": 0.0, "approx_end_seconds": 7.17, "approx_time_range": "00:00.000-00:07.170", "timing_confidence": "low_proportional_lyrics_only", "first_line": "Hoh...", "last_line": "Hoh-ah, hoh-ah" }, { "label": "Verse 1", "section_kind": "verse 1", "section_source": "explicit_lyric_heading", "line_count": 8, "approx_start_seconds": 7.17, "approx_end_seconds": 26.289, "approx_time_range": "00:07.170-00:26.289", "timing_confidence": "low_proportional_lyrics_only", "first_line": "I came to the edge of the firelight", "last_line": "Learning how to stare" }, { "label": "Pre-Chorus", "section_kind": "pre-chorus", "section_source": "explicit_lyric_heading", "line_count": 4, "approx_start_seconds": 26.289, "approx_end_seconds": 35.849, "approx_time_range": "00:26.289-00:35.849", "timing_confidence": "low_proportional_lyrics_only", "first_line": "I was watching for the signal", "last_line": "But the ones who felt it come" }, { "label": "Chorus", "section_kind": "chorus", "section_source": "explicit_lyric_heading", "line_count": 13, "approx_start_seconds": 35.849, "approx_end_seconds": 66.917, "approx_time_range": "00:35.849-01:06.917", "timing_confidence": "low_proportional_lyrics_only", "first_line": "Are you Zuman?", "last_line": "I am looking in the dark" }, { "label": "Verse 2", "section_kind": "verse 2", "section_source": "explicit_lyric_heading", "line_count": 8, "approx_start_seconds": 66.917, "approx_end_seconds": 86.037, "approx_time_range": "01:06.917-01:26.037", "timing_confidence": "low_proportional_lyrics_only", "first_line": "They danced like hunger had a memory", "last_line": "Like he almost knew his soul" }, { "label": "Pre-Chorus", "section_kind": "pre-chorus", "section_source": "explicit_lyric_heading", "line_count": 4, "approx_start_seconds": 86.037, "approx_end_seconds": 95.596, "approx_time_range": "01:26.037-01:35.596", "timing_confidence": "low_proportional_lyrics_only", "first_line": "I was waiting for the shimmer", "last_line": "Trying not to look away" }, { "label": "Chorus", "section_kind": "chorus", "section_source": "explicit_lyric_heading", "line_count": 13, "approx_start_seconds": 95.596, "approx_end_seconds": 126.665, "approx_time_range": "01:35.596-02:06.665", "timing_confidence": "low_proportional_lyrics_only", "first_line": "Are you Zuman?", "last_line": "I am looking in the dark" }, { "label": "Bridge", "section_kind": "bridge", "section_source": "explicit_lyric_heading", "line_count": 35, "approx_start_seconds": 126.665, "approx_end_seconds": 210.312, "approx_time_range": "02:06.665-03:30.312", "timing_confidence": "low_proportional_lyrics_only", "first_line": "Not god", "last_line": "We come" }, { "label": "Final Chorus", "section_kind": "final chorus", "section_source": "explicit_lyric_heading", "line_count": 13, "approx_start_seconds": 210.312, "approx_end_seconds": 241.381, "approx_time_range": "03:30.312-04:01.381", "timing_confidence": "low_proportional_lyrics_only", "first_line": "Are you Zuman?", "last_line": "I am looking in the dark" }, { "label": "Outro", "section_kind": "outro", "section_source": "explicit_lyric_heading", "line_count": 10, "approx_start_seconds": 241.381, "approx_end_seconds": 265.28, "approx_time_range": "04:01.381-04:25.280", "timing_confidence": "low_proportional_lyrics_only", "first_line": "Hoh...", "last_line": "Hoh-ah" } ], "ai_ear_translation": [ "Human/canon call: Ember-Glow Zuman is locked in Friction Product slot 1; this packet records read-only album-facing evidence.", "Album role: Opening ignition: the Zuman question arrives at the firelight origin point and frames identity as a threshold.", "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 Friction Product slot 1", "Opening ignition: the Zuman question arrives at the firelight origin point and frames identity as a threshold.", "included in the current Friction Product sequence with audio and lyrics present" ], "evidence_against_or_caution": [ "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": [ "the hook and vocal delivery support the stated album role", "any machine-flagged quiet windows are structure evidence, not automatic edit points", "the track feels like a song first and archive/provenance second" ], "memorable_line_anchors": [ { "role": "first_thesis_line", "line": "Hoh...", "timing": "00:00.000-00:07.170" }, { "role": "hook_line", "line": "Are you Zuman?", "timing": "00:35.849-01:06.917" }, { "role": "turn_line", "line": "Not god", "timing": "02:06.665-03:30.312" }, { "role": "final_identity_line", "line": "Hoh-ah", "timing": "04:01.381-04:25.280" } ], "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": "00:35.849-01:06.917", "hook_line": "Are you Zuman?", "energy_lift_rough_db": 3.1, "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": "01:35.596-02:06.665", "hook_line": "Are you Zuman?", "energy_lift_rough_db": -1.5, "energy_lift_band": "modest_drop", "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": "03:30.312-04:01.381", "hook_line": "Are you Zuman?", "energy_lift_rough_db": 19.4, "energy_lift_band": "notable_lift", "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": 77, "tempo_confidence": "rough", "crest_factor_db": 15.688, "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": 265.28, "long_sections": [ { "label": "Bridge", "approx_time_range": "02:06.665-03:30.312", "approx_duration_seconds": 83.647 } ], "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: 03:28.000-03:36.000 at -10.551 dBFS.", "Quietest 8-second region by RMS proxy: 04:24.000-04:25.280 at -54.764 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 01, 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." ] }