music/exemplars/formula_cards/UNMATCHED__42_-_Guardian_Sapling_Restoration.json
{
"schema": "formula-card/v1",
"consumer": "docs/proposals/music/MASTERPIECE_PROGRAM.md rung 2 (the archetype synthesis -> MASTERPIECE_STANDARD.md)",
"tier": "RUNG-1 MEASURED",
"legal_posture": "ANALYSIS FOR UNDERSTANDING ONLY. Audio lawfully obtained by Josh, read from disk, measured, and never copied, redistributed, or used as model input of any kind.",
"track_id": "UNMATCHED__42_-_Guardian_Sapling_Restoration",
"title": null,
"game": null,
"composer": null,
"purpose_class": null,
"source_path": "D:\\audio\\exemplars\\Okami Original Soundtrack Vol. 1\\Okami Original Soundtrack Vol. 1 [MP3]\\42 - Guardian Sapling Restoration.mp3",
"sha256": "1ea73b53457447ec161480b717d02afd81f9aac293c7dc68c6de3f44d3aec42a",
"bytes": 829602,
"source_format": "mp3",
"source_codec": "mp3",
"source_sample_rate_hz": 44100,
"source_channels": 2,
"lossless_source": false,
"analysis_sample_rate_hz": 22050,
"decoder": "ffmpeg.exe :: ffmpeg version 9.0-full_build-www.gyan.dev Copyright (c) 2000-2026 the FFmpeg developers",
"measured_at": "2026-08-06T22:31:00+00:00",
"format_induced_limit": "lossy source (mp3); high-band timbre figures carry codec artefacts and the card declares it",
"control": {
"controls_passed": 24,
"controls_total": 24,
"ran_at": "2026-08-06T20:41:42+00:00",
"ffmpeg_version": "ffmpeg version 9.0-full_build-www.gyan.dev Copyright (c) 2000-2026 the FFmpeg developers",
"note": "This measurement is admissible only because the positive control recovered its planted answers in the same process, immediately before it."
},
"card": {
"duration_and_structure": {
"total_length_s": 17.68,
"section_boundaries_s": [
0.0,
5.55,
12.748,
17.68
],
"section_count": 3,
"repeat_map": [
{
"section": 0,
"most_like_section": null,
"similarity": 0.0,
"is_repeat": false
},
{
"section": 1,
"most_like_section": 0,
"similarity": 0.6419,
"is_repeat": false
},
{
"section": 2,
"most_like_section": 0,
"similarity": 0.8284,
"is_repeat": false
}
],
"novelty_peak_strength": [
1.0,
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],
"method": "checkerboard-kernel novelty over a chroma+MFCC self-similarity matrix"
},
"tempo_and_time_grammar": {
"tempo_function": {
"baseline_bpm": 143.55,
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0.37,
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13.37,
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14.12,
14.49,
14.86,
15.23,
15.6,
15.98,
16.35,
16.72,
17.09,
17.46
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"curve_bpm": [
143.55,
143.55,
143.55,
143.55,
143.55,
143.55,
143.55,
143.55,
143.55,
143.55,
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143.55,
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136.0,
136.0,
136.0,
136.0,
136.0,
136.0,
136.0,
143.55,
143.55,
136.0,
136.0,
136.0,
136.0,
136.0,
136.0,
136.0,
136.0,
161.5,
161.5,
161.5,
161.5,
161.5,
161.5,
161.5,
161.5,
161.5,
161.5,
161.5,
172.27,
215.33,
215.33,
234.91,
234.91,
234.91,
234.91
],
"adjustment_events": [
{
"position_s": 4.74,
"duration_s": 1.9,
"delta_bpm": -7.11,
"shape": "step"
},
{
"position_s": 10.89,
"duration_s": 6.52,
"delta_bpm": 32.31,
"shape": "step"
}
],
"dispersion_bpm": 29.336,
"rubato_depth_bpm": 79.333
},
"global_bpm": 136.0,
"octave_ambiguity_note": "Beat trackers pick a metrical level, and half/double-time readings are a real and known property, not an error -- the rig's own control plants 120 bpm and this estimator returns 60. Every bar figure on this card (time-to-hook in bars, the complexity index's bar length) inherits whichever level was picked, so compare bar counts within a card, never across cards, until rung 2 pins the metrical level per class.",
"windowed_tempo_stability": {
"tempo_bpm_global": 136.0,
"tempo_bpm_median_local": 136.0,
"tempo_iqr_bpm": 6.8,
"tempo_stability": 0.8,
"beat_interval_cv": 0.027
},
"dominant_onset_period_s": 0.418,
"dominant_onset_period_bpm": 143.55,
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"measured": null,
"note": "Bar arithmetic on this card uses 4 beats per bar at the baseline tempo. The onset period beside it is MEASURED; the signature is not."
},
"groove": {
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"onset_rate_per_s": 10.795
}
},
"tonality": {
"key": "A",
"mode": "major",
"windowed_key_agreement": 1.0,
"modulation_note": "Windowed key agreement below ~0.7 is the modulation signal at rung 1; a pivot-chord map needs symbolic transcription (rung 2)."
},
"the_hook": {
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"onset_bars": 0.51,
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0,
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3,
4,
5,
7,
10,
12
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0.0,
-5.0,
0.0,
7.0,
6.67,
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-12.0,
10.0,
-3.0,
0.0,
0.0,
0.0,
-4.0
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}
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"lane_analysis": {
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"confidence": "LOW-FOR-ROSTER, USABLE-FOR-ARRANGEMENT",
"method_note": "Section 11.1 requires the lane method be declared. Bands are not instruments: two instruments in one octave read as one lane, and one instrument spanning two octaves reads as two. Entry/exit and simultaneity shapes are trustworthy; a roster is not claimed.",
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{
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[
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},
{
"lane": "bass",
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],
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{
"lane": "low_mid",
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[
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},
{
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[
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[
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]
},
{
"lane": "upper_mid",
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710,
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"segments": [
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]
},
{
"lane": "presence",
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[
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]
},
{
"lane": "brilliance",
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2800,
5600
],
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"segments": [
[
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]
]
},
{
"lane": "air",
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5600,
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],
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}
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"max": 9,
"mean": 4.886
},
"register_spacing_octaves": [
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0.99,
0.99,
0.99,
1.0,
1.0
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},
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"at_s": 9.451,
"db_delta": -6.13,
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"bars_held_s": 1.625,
"re_enters_at_s": 11.076
},
{
"position": 0.7539,
"at_s": 13.328,
"db_delta": -10.8,
"lanes_removed": 3.9,
"bars_held_s": 3.762,
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{
"position": 0.8222,
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"db_delta": -6.4,
"lanes_removed": 0.13,
"bars_held_s": 2.554,
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},
{
"position": 0.8983,
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"db_delta": -6.08,
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],
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"start_s": 0.604,
"end_s": 13.769,
"db_delta": 85.02,
"lanes_added": 0.85,
"slope_db_per_s": 6.458
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{
"position": 0.1143,
"start_s": 2.02,
"end_s": 12.655,
"db_delta": 6.07,
"lanes_added": 0.22,
"slope_db_per_s": 0.571
},
{
"position": 0.2929,
"start_s": 5.178,
"end_s": 9.149,
"db_delta": 1.17,
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{
"position": 0.6856,
"start_s": 12.121,
"end_s": 12.26,
"db_delta": 1.81,
"lanes_added": 1.54,
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],
"breaks": [
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{
"position": 0.8589,
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"duration_s": 2.485
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],
"tuttis": [
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"position": 0.3205,
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"duration_s": 1.904,
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{
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"duration_s": 1.974,
"lanes": 9
}
],
"silence_budget": {
"fraction": 0.1745,
"seconds": 3.086,
"threshold": "40 dB below the track's own p95 RMS",
"note": "Section 11.2 treats rest as a FIRST-CLASS parameter, not an absence."
},
"counts": {
"drops": 4,
"raises": 4,
"breaks": 2,
"tuttis": 2
}
},
"opening_and_flow_law": {
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"time_to_hook_s": 0.848,
"time_to_hook_bars": 0.51,
"time_to_full_texture_s": 5.573,
"time_to_full_texture_bars": 3.33,
"flow_curve": {
"definition": "energy = 0.45*density + 0.35*lane-simultaneity + 0.20*register, each normalised to the track's own maximum (section 11.4)",
"times_s": [
0.0,
0.74,
1.49,
2.23,
2.97,
3.72,
4.46,
5.2,
5.94,
6.69,
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8.92,
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11.15,
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12.63,
13.37,
14.12,
14.86,
15.6,
16.35,
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"values": [
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}
},
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"bar_length_s": 1.6719,
"bars": 10,
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0.921,
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0.8743,
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"definition": "lane count + 4*harmonic change rate + 0.6*onset strength + 0.4*register span, per bar, normalised to the track's own maximum (section 11.6)",
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"at_s": 1.67,
"delta": 0.26,
"at_section_boundary": true
},
{
"bar": 3,
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"delta": 0.339,
"at_section_boundary": true
},
{
"bar": 8,
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"delta": -0.656,
"at_section_boundary": true
}
],
"steps_at_section_boundaries": 3,
"steps_total": 3,
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"hypothesis_note": "Section 11.6 expects masterpieces to step complexity AT structural boundaries and hold it flat inside sections. This share is the measurement of that claim on this track; the corpus decides, not us."
},
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"note_count": 24,
"mean_lanes": 4.886,
"max_lanes": 9
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"dynamics": {
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-14.04,
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"register": {
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"bass_floor_band": {
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"bass": 0.05175,
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"mid": 0.12721,
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"air": 0.02098,
"ultra": 0.0
},
"octave_band_profile": {
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"bass": 0.05175,
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"mid": 0.12721,
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"brilliance": 0.05679,
"air": 0.02098,
"ultra": 0.0
}
},
"cadence_and_ending": {
"loop_seam": {
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"seam_distance": 1.0,
"interior_distance_median": 0.03136,
"seam_ratio": 31.887,
"seam_clean": false,
"tail_rms_over_mid": 0.0002,
"head_rms_over_mid": 0.0,
"tail_rms_trend": -0.9632,
"head_rms_trend": 0.9345,
"baked_fade_out": true,
"baked_fade_in": true
},
"ending": "baked_fade_out",
"cadence_census_note": "A cadence census needs harmonic transcription and is a rung-2 dimension; the seam measurement is what rung 1 can honestly report about how it ends."
},
"timbre": {
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4280.8,
3612.1,
3007.2,
3713.1,
3611.8,
3643.0,
3530.3,
2965.0,
2393.7,
2595.1,
1853.2,
3079.8,
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2803.8,
2793.1
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"spectral_flatness_mean": 0.04092,
"signature_colour": "bright"
}
}
}