music/exemplars/formula_cards/UNMATCHED__82_The_Lighting_of_Prism_Tower.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__82_The_Lighting_of_Prism_Tower",
"title": null,
"game": null,
"composer": null,
"purpose_class": null,
"source_path": "D:\\audio\\exemplars\\iTunes_Sweep\\Compilations\\Pokémon X & Pokémon Y_ Super Music Colle\\82 The Lighting of Prism Tower.m4a",
"sha256": "0bfb9ed8be4a4df3224a8c73ba0ec92c18a2e8e16e83801b3b40c6213fec3f40",
"bytes": 731096,
"source_format": "mov,mp4,m4a,3gp,3g2,mj2",
"source_codec": "aac",
"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": "2026-08-07T04:39:32+00:00",
"format_induced_limit": "lossy source (aac); 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": 6.362,
"section_boundaries_s": [
0.0,
0.766,
6.362
],
"section_count": 2,
"repeat_map": [
{
"section": 0,
"most_like_section": null,
"similarity": 0.0,
"is_repeat": false
},
{
"section": 1,
"most_like_section": 0,
"similarity": 0.8711,
"is_repeat": false
}
],
"novelty_peak_strength": [
1.0
],
"method": "checkerboard-kernel novelty over a chroma+MFCC self-similarity matrix"
},
"tempo_and_time_grammar": {
"tempo_function": {
"baseline_bpm": 129.2,
"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,
5.57,
5.94,
6.32
],
"curve_bpm": [
287.11,
287.11,
287.11,
123.05,
123.05,
123.05,
123.05,
129.2,
129.2,
129.2,
129.2,
129.2,
129.2,
136.0,
143.55,
198.77,
198.77,
234.91
],
"adjustment_events": [
{
"position_s": 0.02,
"duration_s": 1.72,
"delta_bpm": 35.71,
"shape": "step"
}
],
"dispersion_bpm": 58.105,
"rubato_depth_bpm": 164.062
},
"global_bpm": 123.05,
"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": 123.05,
"tempo_bpm_median_local": 123.05,
"tempo_iqr_bpm": 6.15,
"tempo_stability": 0.8,
"beat_interval_cv": 0.0389
},
"dominant_onset_period_s": 0.0929,
"dominant_onset_period_bpm": 646.0,
"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": 0.641,
"onset_rate_per_s": 10.806
}
},
"tonality": {
"key": "F",
"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": 0.569,
"onset_bars": 0.31,
"pitch_contour": "DD-UDUDU",
"interval_vocabulary_semitones": [
0,
3,
7,
9,
12,
19,
29
],
"intervals": [
-29.0,
-7.0,
0.0,
19.0,
-3.0,
3.0,
-12.0,
9.0
],
"range_semitones": 36.0,
"distinctive_deviation": {
"largest_interval_semitones": -29.0,
"at_note_index": 1,
"is_licensed_leap": true
}
},
"motif_economy": {
"self_similarity_peak": 0.8638,
"self_similarity_baseline": 0.8134,
"self_similarity_lift": 0.0504,
"recurrence_lag_s": 0.464,
"interval_3gram_repetition": 0.0,
"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": 3.088,
"exit_s": 4.296,
"active_fraction": 0.1927,
"segments": [
[
3.088,
4.296
]
]
},
{
"lane": "low_bass",
"band_hz": [
45,
90
],
"entry_s": 1.625,
"exit_s": 3.971,
"active_fraction": 0.4618,
"segments": [
[
1.625,
3.971
]
]
},
{
"lane": "bass",
"band_hz": [
90,
180
],
"entry_s": 0.766,
"exit_s": 4.017,
"active_fraction": 0.5127,
"segments": [
[
0.766,
4.017
]
]
},
{
"lane": "low_mid",
"band_hz": [
180,
355
],
"entry_s": 0.766,
"exit_s": 4.365,
"active_fraction": 0.5673,
"segments": [
[
0.766,
4.365
]
]
},
{
"lane": "mid",
"band_hz": [
355,
710
],
"entry_s": 0.58,
"exit_s": 4.226,
"active_fraction": 0.5745,
"segments": [
[
0.58,
4.226
]
]
},
{
"lane": "upper_mid",
"band_hz": [
710,
1400
],
"entry_s": 0.604,
"exit_s": 3.901,
"active_fraction": 0.52,
"segments": [
[
0.604,
3.901
]
]
},
{
"lane": "presence",
"band_hz": [
1400,
2800
],
"entry_s": 0.627,
"exit_s": 3.762,
"active_fraction": 0.4945,
"segments": [
[
0.627,
3.762
]
]
},
{
"lane": "brilliance",
"band_hz": [
2800,
5600
],
"entry_s": 0.673,
"exit_s": 3.669,
"active_fraction": 0.4727,
"segments": [
[
0.673,
3.669
]
]
},
{
"lane": "air",
"band_hz": [
5600,
11200
],
"entry_s": 0.673,
"exit_s": 3.599,
"active_fraction": 0.4036,
"segments": [
[
0.673,
1.509
],
[
2.183,
3.599
]
]
}
],
"interlap_matrix": {
"sub|low_bass": 0.2766,
"sub|bass": 0.268,
"sub|low_mid": 0.3397,
"sub|mid": 0.3106,
"sub|upper_mid": 0.225,
"sub|presence": 0.1887,
"sub|brilliance": 0.1656,
"sub|air": 0.1631,
"low_bass|bass": 0.9007,
"low_bass|low_mid": 0.8141,
"low_bass|mid": 0.8038,
"low_bass|upper_mid": 0.8493,
"low_bass|presence": 0.8138,
"low_bass|brilliance": 0.7972,
"low_bass|air": 0.7122,
"bass|low_mid": 0.9038,
"bass|mid": 0.8924,
"bass|upper_mid": 0.9189,
"bass|presence": 0.8844,
"bass|brilliance": 0.869,
"bass|air": 0.7379,
"low_mid|mid": 0.9146,
"low_mid|upper_mid": 0.8344,
"low_mid|presence": 0.8025,
"low_mid|brilliance": 0.7875,
"low_mid|air": 0.6688,
"mid|upper_mid": 0.9051,
"mid|presence": 0.8608,
"mid|brilliance": 0.8228,
"mid|air": 0.7025,
"upper_mid|presence": 0.951,
"upper_mid|brilliance": 0.9091,
"upper_mid|air": 0.7762,
"presence|brilliance": 0.9559,
"presence|air": 0.8162,
"brilliance|air": 0.8538
},
"simultaneity_curve": {
"times_s": [
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,
5.573,
5.759,
5.944,
6.13,
6.316
],
"lanes": [
0,
0,
0,
0,
5,
8,
7,
8,
7,
7,
8,
7,
8,
8,
8,
8,
8,
9,
9,
9,
7,
6,
3,
2,
0,
0,
0,
0,
0,
0,
0,
0,
0,
0,
0
],
"max": 9,
"mean": 4.2
},
"register_spacing_octaves": [
1.085,
1.0,
0.99,
0.99,
0.99,
0.99,
1.0,
1.0
]
},
"event_grammar": {
"drops": [
{
"position": 0.5766,
"at_s": 3.669,
"db_delta": -10.22,
"lanes_removed": 3.99,
"bars_held_s": 2.113,
"re_enters_at_s": 5.782
},
{
"position": 0.7664,
"at_s": 4.876,
"db_delta": -10.73,
"lanes_removed": 0.35,
"bars_held_s": 0.906,
"re_enters_at_s": 5.782
}
],
"raises": [
{
"position": 0.0949,
"start_s": 0.604,
"end_s": 3.32,
"db_delta": 127.69,
"lanes_added": 6.36,
"slope_db_per_s": 47.003
},
{
"position": 0.3869,
"start_s": 2.461,
"end_s": 2.949,
"db_delta": 6.01,
"lanes_added": 0.35,
"slope_db_per_s": 12.332
}
],
"breaks": [
{
"position": 0.0,
"at_s": 0.0,
"duration_s": 0.511
},
{
"position": 0.8394,
"at_s": 5.341,
"duration_s": 1.022
}
],
"tuttis": [],
"silence_budget": {
"fraction": 0.2473,
"seconds": 1.573,
"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": 2,
"raises": 2,
"breaks": 2,
"tuttis": 0
}
},
"opening_and_flow_law": {
"onset_type": "silence_then_hit",
"first_sound_at_s": 0.557,
"time_to_hook_s": 0.569,
"time_to_hook_bars": 0.31,
"time_to_full_texture_s": 3.088,
"time_to_full_texture_bars": 1.66,
"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
],
"values": [
0.0385,
0.371,
0.5021,
0.6182,
0.6172,
0.4803,
0.0639,
0.0253,
0.0016
],
"peak_position_normalised": 0.4854
}
},
"complexity_law": {
"available": true,
"bar_length_s": 1.8576,
"bars": 3,
"index_per_bar": [
0.7249,
1.0,
0.3603
],
"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": 1.86,
"delta": 0.275,
"at_section_boundary": true
},
{
"bar": 2,
"at_s": 3.72,
"delta": -0.64,
"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": 1.415,
"melodic_salience": 0.7277,
"voiced_fraction": 0.3169,
"note_count": 9,
"mean_lanes": 4.2,
"max_lanes": 9
},
"dynamics": {
"dynamic_range_db_p95_minus_p10": 189.98,
"peak_position_normalised": 0.4599,
"peak_at_s": 2.926,
"arc_curve_db": [
-66.23,
-72.89,
-15.97,
-15.06,
-12.98,
-20.34,
-33.64,
-58.19,
-93.74
],
"arc_times_s": [
0.0,
0.74,
1.49,
2.23,
2.97,
3.72,
4.46,
5.2,
5.94
]
},
"register": {
"melody_span_semitones": 36.0,
"melody_tessitura_midi": 57.0,
"bass_floor_band": {
"sub": 0.0103,
"low_bass": 0.04012,
"bass": 0.12936,
"low_mid": 0.29433,
"mid": 0.27785,
"upper_mid": 0.12492,
"presence": 0.10765,
"brilliance": 0.01447,
"air": 0.00083,
"ultra": 0.0
},
"octave_band_profile": {
"sub": 0.0103,
"low_bass": 0.04012,
"bass": 0.12936,
"low_mid": 0.29433,
"mid": 0.27785,
"upper_mid": 0.12492,
"presence": 0.10765,
"brilliance": 0.01447,
"air": 0.00083,
"ultra": 0.0
}
},
"cadence_and_ending": {
"loop_seam": {
"measurable": true,
"seam_distance": 1.0,
"interior_distance_median": 0.03344,
"seam_ratio": 29.905,
"seam_clean": false,
"tail_rms_over_mid": 0.0,
"head_rms_over_mid": 0.0,
"tail_rms_trend": -0.8957,
"head_rms_trend": 0.8818,
"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": {
"spectral_centroid_hz_mean": 994.4,
"spectral_centroid_curve_hz": [
0.0,
1584.0,
1029.7,
1084.8,
1559.3,
794.2,
477.0,
420.5,
0.0
],
"spectral_rolloff85_hz_mean": 1774.1,
"spectral_flatness_mean": 0.15363,
"signature_colour": "dark"
}
}
}