{ "schema": "gm-songbench/v0.4", "schema_slug": "v0.4", "generated_at": "2026-06-16T06:22:10Z", "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_captain_white_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": "2026-06-16T06:22:10Z", "album_run_id": "2026-06-16T06:22:02Z", "freshness_version": "songbench-v0-4-cw-full-coverage-2026-06-16-v1", "json_is_source_of_truth": true, "stable_json_url": "/captain-white/songbench/once-and-future-gummy-king.json", "versioned_json_url": "/captain-white/songbench/once-and-future-gummy-king.v0.4.json", "stable_markdown_url": "/captain-white/songbench/once-and-future-gummy-king.md", "versioned_markdown_url": "/captain-white/songbench/once-and-future-gummy-king.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": "Once and Future Gummy King is locked in Captain White slot 4; this packet records read-only album-facing evidence.", "diana_read": "", "album_role": "Mythic claim track: Captain White becomes a returning ruler inside the gummy cosmology.", "known_concern": "No localized defect is asserted by this packet. Machine diagnostics are evidence prompts only; human listening controls.", "why_this_track_matters": "Mythic claim track: Captain White becomes a returning ruler inside the gummy cosmology.", "why_it_lands": [ "Mythic claim track: Captain White becomes a returning ruler inside the gummy cosmology.", "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 Captain White slot 4", "Mythic claim track: Captain White becomes a returning ruler inside the gummy cosmology.", "included in the current Captain White 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": "Once and Future Gummy King", "album_title": "Captain White", "album_key": "captain-white", "track_number": 4, "status": "locked", "origin": "Captain White", "audio_file": "Once & Future Gummy King.mp3", "lyrics_file": "Once and Future Gummy King.txt", "audio_url": "/assets/albums/captain-white/audio/once-and-future-gummy-king.mp3", "lyrics_url": "/assets/albums/captain-white/lyrics/once-and-future-gummy-king.txt" }, "public_links": { "json": "/captain-white/songbench/once-and-future-gummy-king.json", "versioned_json": "/captain-white/songbench/once-and-future-gummy-king.v0.4.json", "markdown": "/captain-white/songbench/once-and-future-gummy-king.md", "versioned_markdown": "/captain-white/songbench/once-and-future-gummy-king.v0.4.md", "waveform": "/assets/albums/captain-white/songbench/once-and-future-gummy-king-waveform.png", "spectrogram": "/assets/albums/captain-white/songbench/once-and-future-gummy-king-spectrogram.png", "loudness_csv": "/assets/albums/captain-white/songbench/once-and-future-gummy-king-loudness-envelope.csv" }, "audio": { "duration_seconds": 264.999979, "duration_display": "04:25.000", "codec": "mp3", "sample_rate_hz": 48000, "channels": 2, "channel_layout": "stereo", "bit_rate": 192039, "size_bytes": 6361302, "sha256": "5f1db3a24eadfd379b0d29c40ca75424e52c626bc611c5171ad5edcfe5f51660", "source_tags": { "comment": "made with suno; created=2026-05-14T01:39:57Z; id=ea8a7062-1e92-4810-bfc9-1ee55cd3ba09", "encoder": "Lavf60.16.100" } }, "content_hashes": { "audio_mp3": { "url": "/assets/albums/captain-white/audio/once-and-future-gummy-king.mp3", "sha256": "5f1db3a24eadfd379b0d29c40ca75424e52c626bc611c5171ad5edcfe5f51660", "hash_algorithm": "sha256" }, "waveform_png": { "url": "/assets/albums/captain-white/songbench/once-and-future-gummy-king-waveform.png", "sha256": "5f36757336e099b9b4efbcd6fcdb49e98cfa7f472a53ad38ae380c46bf4ee55e", "hash_algorithm": "sha256" }, "spectrogram_png": { "url": "/assets/albums/captain-white/songbench/once-and-future-gummy-king-spectrogram.png", "sha256": "03aa18e6ce9e6d7c1de426bb152fcf207ca1209c6c6a6d5604ad2f3766859b74", "hash_algorithm": "sha256" }, "loudness_envelope_csv": { "url": "/assets/albums/captain-white/songbench/once-and-future-gummy-king-loudness-envelope.csv", "sha256": "da061bc700348c2278ce5956e056e9f1380a7387373bd7a5ac6d2a618284e5e1", "hash_algorithm": "sha256" } }, "analysis": { "dynamics": { "sample_rate_hz": 22050, "sample_count": 5843250, "peak_amplitude": 1.182938, "peak_dbfs": 1.459, "rms_amplitude": 0.171171, "rms_dbfs": -15.331, "crest_factor_db": 16.791 }, "tempo_estimate": { "bpm": 64, "method": "rough RMS-onset autocorrelation over mono downmix", "confidence": "rough", "score_ratio_to_second": 1.0, "alternate_candidates": [ { "bpm": 64, "relative_score": 1.0 }, { "bpm": 63, "relative_score": 1.0 }, { "bpm": 62, "relative_score": 1.0 }, { "bpm": 141, "relative_score": 0.941 }, { "bpm": 140, "relative_score": 0.941 } ] }, "quiet_windows": [ { "start_seconds": 103.5, "end_seconds": 104.0, "center_seconds": 103.75, "center_time": "01:43.750", "rms_dbfs": -20.119, "category": "natural_section_boundary_or_low_energy_moment", "edit_candidate": false, "use": "local energy dip; useful as structure evidence" }, { "start_seconds": 151.0, "end_seconds": 151.5, "center_seconds": 151.25, "center_time": "02:31.250", "rms_dbfs": -20.135, "category": "natural_section_boundary_or_low_energy_moment", "edit_candidate": false, "use": "local energy dip; useful as structure evidence" }, { "start_seconds": 152.0, "end_seconds": 152.5, "center_seconds": 152.25, "center_time": "02:32.250", "rms_dbfs": -21.349, "category": "natural_section_boundary_or_low_energy_moment", "edit_candidate": false, "use": "local energy dip; useful as structure evidence" }, { "start_seconds": 166.5, "end_seconds": 167.0, "center_seconds": 166.75, "center_time": "02:46.750", "rms_dbfs": -20.109, "category": "natural_section_boundary_or_low_energy_moment", "edit_candidate": false, "use": "local energy dip; useful as structure evidence" }, { "start_seconds": 191.0, "end_seconds": 191.5, "center_seconds": 191.25, "center_time": "03:11.250", "rms_dbfs": -23.49, "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": -20.557, "category": "natural_section_boundary_or_low_energy_moment", "edit_candidate": false, "use": "local energy dip; useful as structure evidence" }, { "start_seconds": 194.5, "end_seconds": 195.0, "center_seconds": 194.75, "center_time": "03:14.750", "rms_dbfs": -21.053, "category": "natural_section_boundary_or_low_energy_moment", "edit_candidate": false, "use": "local energy dip; 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"natural_section_boundary_or_low_energy_moment", "edit_candidate": false, "use": "local energy dip; useful as structure evidence" }, { "start_seconds": 241.5, "end_seconds": 242.0, "center_seconds": 241.75, "center_time": "04:01.750", "rms_dbfs": -22.345, "category": "natural_section_boundary_or_low_energy_moment", "edit_candidate": false, "use": "local energy dip; useful as structure evidence" } ], "energy_regions_8s": [ { "start_seconds": 0.0, "end_seconds": 8.0, "time_range": "00:00.000-00:08.000", "avg_rms_dbfs": -23.511, "max_peak_dbfs": 0.018 }, { "start_seconds": 8.0, "end_seconds": 16.0, "time_range": "00:08.000-00:16.000", "avg_rms_dbfs": -16.798, "max_peak_dbfs": -0.326 }, { "start_seconds": 16.0, "end_seconds": 24.0, "time_range": "00:16.000-00:24.000", "avg_rms_dbfs": -15.867, "max_peak_dbfs": 0.66 }, { "start_seconds": 24.0, "end_seconds": 32.0, "time_range": "00:24.000-00:32.000", "avg_rms_dbfs": -16.181, "max_peak_dbfs": 0.584 }, { "start_seconds": 32.0, "end_seconds": 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216.0, "time_range": "03:28.000-03:36.000", "avg_rms_dbfs": -15.395, "max_peak_dbfs": 0.584 }, { "start_seconds": 216.0, "end_seconds": 224.0, "time_range": "03:36.000-03:44.000", "avg_rms_dbfs": -15.38, "max_peak_dbfs": 0.672 }, { "start_seconds": 224.0, "end_seconds": 232.0, "time_range": "03:44.000-03:52.000", "avg_rms_dbfs": -15.037, "max_peak_dbfs": 1.07 }, { "start_seconds": 232.0, "end_seconds": 240.0, "time_range": "03:52.000-04:00.000", "avg_rms_dbfs": -15.341, "max_peak_dbfs": -0.068 }, { "start_seconds": 240.0, "end_seconds": 248.0, "time_range": "04:00.000-04:08.000", "avg_rms_dbfs": -15.638, "max_peak_dbfs": -0.069 }, { "start_seconds": 248.0, "end_seconds": 256.0, "time_range": "04:08.000-04:16.000", "avg_rms_dbfs": -15.272, "max_peak_dbfs": -0.119 }, { "start_seconds": 256.0, "end_seconds": 264.0, "time_range": "04:16.000-04:24.000", "avg_rms_dbfs": -19.999, "max_peak_dbfs": 0.223 }, { "start_seconds": 264.0, "end_seconds": 265.0, "time_range": "04:24.000-04:25.000", "avg_rms_dbfs": -84.217, "max_peak_dbfs": -53.58 } ], "visual_assets": { "waveform_png": "/assets/albums/captain-white/songbench/once-and-future-gummy-king-waveform.png", "spectrogram_png": "/assets/albums/captain-white/songbench/once-and-future-gummy-king-spectrogram.png", "loudness_envelope_csv": "/assets/albums/captain-white/songbench/once-and-future-gummy-king-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": 25.854, "approx_time_range": "00:00.000-00:25.854", "timing_confidence": "low_proportional_lyrics_only", "first_line": "Captain White came polished bright", "last_line": "Dragging thunder through the mass" }, { "label": "Pre-Chorus", "section_kind": "pre-chorus", "section_source": "explicit_lyric_heading", "line_count": 4, "approx_start_seconds": 25.854, "approx_end_seconds": 38.78, "approx_time_range": "00:25.854-00:38.780", "timing_confidence": "low_proportional_lyrics_only", "first_line": "Then the room went soft and silent", "last_line": "Bow down before the king" }, { "label": "Chorus", "section_kind": "chorus", "section_source": "explicit_lyric_heading", "line_count": 6, "approx_start_seconds": 38.78, "approx_end_seconds": 58.171, "approx_time_range": "00:38.780-00:58.171", "timing_confidence": "low_proportional_lyrics_only", "first_line": "I am the once and future Gummy King", "last_line": "With the once and future Gummy King" }, { "label": "Verse 2", "section_kind": "verse 2", "section_source": "explicit_lyric_heading", "line_count": 8, "approx_start_seconds": 58.171, "approx_end_seconds": 84.024, "approx_time_range": "00:58.171-01:24.024", "timing_confidence": "low_proportional_lyrics_only", "first_line": "He had robes of royal raspberry", "last_line": "And leave a war behind" }, { "label": "Pre-Chorus", "section_kind": "pre-chorus", "section_source": "explicit_lyric_heading", "line_count": 4, "approx_start_seconds": 84.024, "approx_end_seconds": 96.951, "approx_time_range": "01:24.024-01:36.951", "timing_confidence": "low_proportional_lyrics_only", "first_line": "Captain White said, sir, respectfully", "last_line": "May remain where they were meant" }, { "label": "Post-Chorus", "section_kind": "post-chorus", "section_source": "explicit_lyric_heading", "line_count": 8, "approx_start_seconds": 96.951, "approx_end_seconds": 122.805, "approx_time_range": "01:36.951-02:02.805", "timing_confidence": "low_proportional_lyrics_only", "first_line": "Sticky throne", "last_line": "The Gummy King" }, { "label": "Verse 3", "section_kind": "verse 3", "section_source": "explicit_lyric_heading", "line_count": 8, "approx_start_seconds": 122.805, "approx_end_seconds": 148.659, "approx_time_range": "02:02.805-02:28.659", "timing_confidence": "low_proportional_lyrics_only", "first_line": "Sugar Queen rolled both her eyes", "last_line": "Then leaves you with his name" }, { "label": "Pre-Chorus", "section_kind": "pre-chorus", "section_source": "explicit_lyric_heading", "line_count": 4, "approx_start_seconds": 148.659, "approx_end_seconds": 161.585, "approx_time_range": "02:28.659-02:41.585", "timing_confidence": "low_proportional_lyrics_only", "first_line": "Captain White stood very still", "last_line": "Name the trial, name the day" }, { "label": "Bridge", "section_kind": "bridge", "section_source": "explicit_lyric_heading", "line_count": 8, "approx_start_seconds": 161.585, "approx_end_seconds": 187.439, "approx_time_range": "02:41.585-03:07.439", "timing_confidence": "low_proportional_lyrics_only", "first_line": "He said bring the royal goblet", "last_line": "Till they answer to the king" }, { "label": "Breakdown", "section_kind": "breakdown", "section_source": "explicit_lyric_heading", "line_count": 8, "approx_start_seconds": 187.439, "approx_end_seconds": 213.293, "approx_time_range": "03:07.439-03:33.293", "timing_confidence": "low_proportional_lyrics_only", "first_line": "Who wants wings?", "last_line": "And future king" }, { "label": "Final Chorus", "section_kind": "final chorus", "section_source": "explicit_lyric_heading", "line_count": 12, "approx_start_seconds": 213.293, "approx_end_seconds": 252.073, "approx_time_range": "03:33.293-04:12.073", "timing_confidence": "low_proportional_lyrics_only", "first_line": "I am the once and future Gummy King", "last_line": "Of the Sugar Queen" }, { "label": "Outro", "section_kind": "outro", "section_source": "explicit_lyric_heading", "line_count": 4, "approx_start_seconds": 252.073, "approx_end_seconds": 265.0, "approx_time_range": "04:12.073-04:25.000", "timing_confidence": "low_proportional_lyrics_only", "first_line": "Captain White bent one knee", "last_line": "And said, we'll see, Mr. Wings" } ], "ai_ear_translation": [ "Human/canon call: Once and Future Gummy King is locked in Captain White slot 4; this packet records read-only album-facing evidence.", "Album role: Mythic claim track: Captain White becomes a returning ruler inside the gummy cosmology.", "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 Captain White slot 4", "Mythic claim track: Captain White becomes a returning ruler inside the gummy cosmology.", "included in the current Captain White 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": "Captain White came polished bright", "timing": "00:00.000-00:25.854" }, { "role": "hook_line", "line": "I am the once and future Gummy King", "timing": "00:38.780-00:58.171" }, { "role": "turn_line", "line": "He said bring the royal goblet", "timing": "02:41.585-03:07.439" }, { "role": "final_identity_line", "line": "And said, we'll see, Mr. Wings", "timing": "04:12.073-04:25.000" } ], "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": "00:38.780-00:58.171", "hook_line": "I am the once and future Gummy King", "energy_lift_rough_db": 1.0, "energy_lift_band": "modest_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": "Post-Chorus", "section_kind": "post-chorus", "landing_kind": "chorus_heading", "approx_time_range": "01:36.951-02:02.805", "hook_line": "Sticky throne", "energy_lift_rough_db": 0.5, "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": "Final Chorus", "section_kind": "final chorus", "landing_kind": "chorus_heading", "approx_time_range": "03:33.293-04:12.073", "hook_line": "I am the once and future Gummy King", "energy_lift_rough_db": 1.9, "energy_lift_band": "modest_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": 64, "tempo_confidence": "rough", "crest_factor_db": 16.791, "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": 265.0, "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: 00:48.000-00:56.000 at -13.614 dBFS.", "Quietest 8-second region by RMS proxy: 04:24.000-04:25.000 at -84.217 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, CW slot 04, 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." ] }