music/exemplars/formula_cards/UNMATCHED__54_-_Appearance_of_Evildoer.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__54_-_Appearance_of_Evildoer",
"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]\\54 - Appearance of Evildoer.mp3",
"sha256": "1bc93dd6b0faeec054d7fdc52e9dcb26c8133c8729e51a3b347eca25534aba4f",
"bytes": 431394,
"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": "2026-08-06T22:36:35+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": 5.56,
"section_boundaries_s": [
0.0,
0.464,
5.56
],
"section_count": 2,
"repeat_map": [
{
"section": 0,
"most_like_section": null,
"similarity": 0.0,
"is_repeat": false
},
{
"section": 1,
"most_like_section": 0,
"similarity": 0.9166,
"is_repeat": true
}
],
"novelty_peak_strength": [
1.0
],
"method": "checkerboard-kernel novelty over a chroma+MFCC self-similarity matrix"
},
"tempo_and_time_grammar": {
"tempo_function": {
"baseline_bpm": 161.5,
"curve_times_s": [
0.0,
0.37,
0.74,
1.11,
1.49,
1.86,
2.23,
2.6,
2.97,
3.34,
3.72,
4.09,
4.46,
4.83,
5.2
],
"curve_bpm": [
161.5,
161.5,
161.5,
161.5,
161.5,
161.5,
161.5,
161.5,
161.5,
161.5,
161.5,
172.27,
184.57,
215.33,
234.91
],
"adjustment_events": [],
"dispersion_bpm": 25.893,
"rubato_depth_bpm": 73.409
},
"global_bpm": 143.55,
"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": 143.55,
"tempo_bpm_median_local": 152.0,
"tempo_iqr_bpm": 32.3,
"tempo_stability": 0.15,
"beat_interval_cv": 1.0
},
"dominant_onset_period_s": 0.3715,
"dominant_onset_period_bpm": 161.5,
"metre": {
"assumed": "4/4",
"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": {
"swing_ratio": 0.645,
"onset_rate_per_s": 10.767
}
},
"tonality": {
"key": "G",
"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": {
"available": true,
"onset_s": 2.67,
"onset_bars": 1.8,
"pitch_contour": "----",
"interval_vocabulary_semitones": [
0
],
"intervals": [
0.0,
0.0,
0.0,
0.0
],
"range_semitones": 0.0,
"distinctive_deviation": {
"largest_interval_semitones": 0.0,
"at_note_index": 1,
"is_licensed_leap": false
}
},
"motif_economy": {
"self_similarity_peak": 0.9501,
"self_similarity_baseline": 0.9176,
"self_similarity_lift": 0.0325,
"recurrence_lag_s": 0.464,
"interval_3gram_repetition": 0.5,
"interval_4gram_repetition": 0.0
},
"lane_analysis": {
"method": "spectral_band_proxy",
"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.",
"lane_roster_bands": [
"sub",
"low_bass",
"bass",
"low_mid",
"mid",
"upper_mid",
"presence",
"brilliance",
"air",
"ultra"
],
"entry_exit_map": [
{
"lane": "sub",
"band_hz": [
20,
45
],
"entry_s": 0.441,
"exit_s": 1.95,
"active_fraction": 0.275,
"segments": [
[
0.441,
1.95
]
]
},
{
"lane": "low_bass",
"band_hz": [
45,
90
],
"entry_s": 0.418,
"exit_s": 1.556,
"active_fraction": 0.2083,
"segments": [
[
0.418,
1.556
]
]
},
{
"lane": "bass",
"band_hz": [
90,
180
],
"entry_s": 0.418,
"exit_s": 1.533,
"active_fraction": 0.2042,
"segments": [
[
0.418,
1.533
]
]
},
{
"lane": "low_mid",
"band_hz": [
180,
355
],
"entry_s": 0.418,
"exit_s": 1.579,
"active_fraction": 0.2125,
"segments": [
[
0.418,
1.579
]
]
},
{
"lane": "mid",
"band_hz": [
355,
710
],
"entry_s": 0.418,
"exit_s": 2.159,
"active_fraction": 0.3167,
"segments": [
[
0.418,
2.159
]
]
},
{
"lane": "upper_mid",
"band_hz": [
710,
1400
],
"entry_s": 0.418,
"exit_s": 2.786,
"active_fraction": 0.4292,
"segments": [
[
0.418,
2.786
]
]
},
{
"lane": "presence",
"band_hz": [
1400,
2800
],
"entry_s": 0.418,
"exit_s": 2.647,
"active_fraction": 0.4042,
"segments": [
[
0.418,
2.647
]
]
},
{
"lane": "brilliance",
"band_hz": [
2800,
5600
],
"entry_s": 0.395,
"exit_s": 3.344,
"active_fraction": 0.5333,
"segments": [
[
0.395,
3.344
]
]
},
{
"lane": "air",
"band_hz": [
5600,
11200
],
"entry_s": 0.395,
"exit_s": 2.461,
"active_fraction": 0.375,
"segments": [
[
0.395,
2.461
]
]
}
],
"interlap_matrix": {
"sub|low_bass": 0.7313,
"sub|bass": 0.7164,
"sub|low_mid": 0.7463,
"sub|mid": 0.8684,
"sub|upper_mid": 0.6408,
"sub|presence": 0.6804,
"sub|brilliance": 0.5156,
"sub|air": 0.7333,
"low_bass|bass": 0.98,
"low_bass|low_mid": 0.9804,
"low_bass|mid": 0.6579,
"low_bass|upper_mid": 0.4854,
"low_bass|presence": 0.5155,
"low_bass|brilliance": 0.3906,
"low_bass|air": 0.5556,
"bass|low_mid": 0.9608,
"bass|mid": 0.6447,
"bass|upper_mid": 0.4757,
"bass|presence": 0.5052,
"bass|brilliance": 0.3828,
"bass|air": 0.5444,
"low_mid|mid": 0.6711,
"low_mid|upper_mid": 0.4951,
"low_mid|presence": 0.5258,
"low_mid|brilliance": 0.3984,
"low_mid|air": 0.5667,
"mid|upper_mid": 0.7379,
"mid|presence": 0.7835,
"mid|brilliance": 0.5938,
"mid|air": 0.8444,
"upper_mid|presence": 0.9417,
"upper_mid|brilliance": 0.8047,
"upper_mid|air": 0.8558,
"presence|brilliance": 0.7578,
"presence|air": 0.9082,
"brilliance|air": 0.7031
},
"simultaneity_curve": {
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0.0,
0.186,
0.372,
0.557,
0.743,
0.929,
1.115,
1.3,
1.486,
1.672,
1.858,
2.043,
2.229,
2.415,
2.601,
2.786,
2.972,
3.158,
3.344,
3.529,
3.715,
3.901,
4.087,
4.272,
4.458,
4.644,
4.83,
5.016,
5.201,
5.387
],
"lanes": [
0,
0,
0,
9,
9,
9,
9,
9,
9,
6,
6,
5,
4,
4,
3,
2,
1,
1,
1,
0,
0,
0,
0,
0,
0,
0,
0,
0,
0,
0
],
"max": 9,
"mean": 2.958
},
"register_spacing_octaves": [
1.085,
1.0,
0.99,
0.99,
0.99,
0.99,
1.0,
1.0
]
},
"event_grammar": {
"drops": [
{
"position": 0.3257,
"at_s": 1.811,
"db_delta": -7.12,
"lanes_removed": 2.98,
"bars_held_s": 3.158,
"re_enters_at_s": 4.969
},
{
"position": 0.5429,
"at_s": 3.019,
"db_delta": -6.62,
"lanes_removed": 1.63,
"bars_held_s": 1.95,
"re_enters_at_s": 4.969
},
{
"position": 0.7601,
"at_s": 4.226,
"db_delta": -8.57,
"lanes_removed": -0.0,
"bars_held_s": 0.743,
"re_enters_at_s": 4.969
}
],
"raises": [
{
"position": 0.1086,
"start_s": 0.604,
"end_s": 0.697,
"db_delta": 95.32,
"lanes_added": 6.19,
"slope_db_per_s": 1026.293
}
],
"breaks": [
{
"position": 0.0,
"at_s": 0.0,
"duration_s": 0.372
},
{
"position": 0.71,
"at_s": 3.947,
"duration_s": 1.602
}
],
"tuttis": [
{
"position": 0.1002,
"at_s": 0.557,
"duration_s": 0.906,
"lanes": 9
}
],
"silence_budget": {
"fraction": 0.3625,
"seconds": 2.015,
"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": 3,
"raises": 1,
"breaks": 2,
"tuttis": 1
}
},
"opening_and_flow_law": {
"onset_type": "fade_in",
"first_sound_at_s": 0.395,
"time_to_hook_s": 2.67,
"time_to_hook_bars": 1.8,
"time_to_full_texture_s": 0.441,
"time_to_full_texture_bars": 0.3,
"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
],
"values": [
0.1107,
0.6306,
0.6516,
0.3264,
0.1764,
0.1125,
0.1075,
0.0998
],
"peak_position_normalised": 0.2385
}
},
"complexity_law": {
"available": true,
"bar_length_s": 1.4861,
"bars": 3,
"index_per_bar": [
1.0,
0.7702,
0.1177
],
"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)",
"step_map": [
{
"bar": 1,
"at_s": 1.49,
"delta": -0.23,
"at_section_boundary": true
},
{
"bar": 2,
"at_s": 2.97,
"delta": -0.653,
"at_section_boundary": false
}
],
"steps_at_section_boundaries": 1,
"steps_total": 2,
"boundary_step_share": 0.5,
"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."
},
"texture_and_density": {
"note_rate_per_s": 0.899,
"melodic_salience": 0.0,
"voiced_fraction": 0.0793,
"note_count": 5,
"mean_lanes": 2.958,
"max_lanes": 9
},
"dynamics": {
"dynamic_range_db_p95_minus_p10": 70.66,
"peak_position_normalised": 0.205,
"peak_at_s": 1.138,
"arc_curve_db": [
-49.22,
-57.04,
-21.58,
-31.45,
-39.51,
-48.31,
-58.84,
-52.08
],
"arc_times_s": [
0.0,
0.74,
1.49,
2.23,
2.97,
3.72,
4.46,
5.2
]
},
"register": {
"melody_span_semitones": 0.0,
"melody_tessitura_midi": 67.0,
"bass_floor_band": {
"sub": 0.00056,
"low_bass": 0.09708,
"bass": 0.23245,
"low_mid": 0.12099,
"mid": 0.24496,
"upper_mid": 0.14074,
"presence": 0.07077,
"brilliance": 0.05568,
"air": 0.03676,
"ultra": 0.0
},
"octave_band_profile": {
"sub": 0.00056,
"low_bass": 0.09708,
"bass": 0.23245,
"low_mid": 0.12099,
"mid": 0.24496,
"upper_mid": 0.14074,
"presence": 0.07077,
"brilliance": 0.05568,
"air": 0.03676,
"ultra": 0.0
}
},
"cadence_and_ending": {
"loop_seam": {
"measurable": true,
"seam_distance": 1.0,
"interior_distance_median": 0.05403,
"seam_ratio": 18.507,
"seam_clean": false,
"tail_rms_over_mid": 0.0058,
"head_rms_over_mid": 0.0,
"tail_rms_trend": -0.9778,
"head_rms_trend": 0.2947,
"baked_fade_out": true,
"baked_fade_in": false
},
"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": {
"spectral_centroid_hz_mean": 3007.3,
"spectral_centroid_curve_hz": [
0.0,
3241.5,
3688.4,
3389.8,
3273.1,
2893.1,
2882.9,
2718.9
],
"spectral_rolloff85_hz_mean": 5464.2,
"spectral_flatness_mean": 0.13583,
"signature_colour": "bright"
}
}
}