music/exemplars/formula_cards/UNMATCHED__146_PR_Video_BGM__Cute_3_.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__146_PR_Video_BGM__Cute_3_",
"title": null,
"game": null,
"composer": null,
"purpose_class": null,
"source_path": "D:\\audio\\exemplars\\iTunes_Sweep\\Compilations\\Pokémon X & Pokémon Y_ Super Music Colle\\146 PR Video BGM _Cute 3_.m4a",
"sha256": "74267bfd3c5cc37693373103b01ba1e2d3dd5b7edffaae533e1e8588bff0510e",
"bytes": 1045116,
"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": "2026-08-07T03:59:43+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": 15.0,
"section_boundaries_s": [
0.0,
10.844,
15.0
],
"section_count": 2,
"repeat_map": [
{
"section": 0,
"most_like_section": null,
"similarity": 0.0,
"is_repeat": false
},
{
"section": 1,
"most_like_section": 0,
"similarity": 0.5631,
"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": 152.0,
"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,
6.69,
7.06,
7.43,
7.8,
8.17,
8.54,
8.92,
9.29,
9.66,
10.03,
10.4,
10.77,
11.15,
11.52,
11.89,
12.26,
12.63,
13.0,
13.37,
13.75,
14.12,
14.49,
14.86
],
"curve_bpm": [
95.7,
95.7,
95.7,
95.7,
95.7,
95.7,
143.55,
99.38,
99.38,
152.0,
152.0,
152.0,
152.0,
152.0,
152.0,
152.0,
152.0,
152.0,
152.0,
152.0,
152.0,
152.0,
99.38,
152.0,
152.0,
152.0,
152.0,
287.11,
287.11,
198.77,
198.77,
198.77,
198.77,
152.0,
152.0,
161.5,
161.5,
161.5,
161.5,
161.5,
161.5
],
"adjustment_events": [
{
"position_s": 0.0,
"duration_s": 3.81,
"delta_bpm": -49.21,
"shape": "ramp"
},
{
"position_s": 7.13,
"duration_s": 1.72,
"delta_bpm": -14.83,
"shape": "step"
},
{
"position_s": 9.01,
"duration_s": 3.92,
"delta_bpm": 48.3,
"shape": "step"
}
],
"dispersion_bpm": 46.112,
"rubato_depth_bpm": 103.065
},
"global_bpm": 152.0,
"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": 152.0,
"tempo_bpm_median_local": 152.0,
"tempo_iqr_bpm": 52.62,
"tempo_stability": 0.0,
"beat_interval_cv": 0.042
},
"dominant_onset_period_s": 0.6037,
"dominant_onset_period_bpm": 99.38,
"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": 0.462,
"onset_rate_per_s": 10.783
}
},
"tonality": {
"key": "D",
"mode": "major",
"windowed_key_agreement": 0.0,
"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": false,
"reason": "only 1 melodic notes extracted"
},
"motif_economy": {
"self_similarity_peak": 0.9565,
"self_similarity_baseline": 0.8755,
"self_similarity_lift": 0.0811,
"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": [
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"low_bass",
"bass",
"low_mid",
"mid",
"upper_mid",
"presence",
"brilliance",
"air",
"ultra"
],
"entry_exit_map": [
{
"lane": "sub",
"band_hz": [
20,
45
],
"entry_s": 0.511,
"exit_s": 10.797,
"active_fraction": 0.6862,
"segments": [
[
0.511,
10.797
]
]
},
{
"lane": "low_bass",
"band_hz": [
45,
90
],
"entry_s": 0.488,
"exit_s": 10.937,
"active_fraction": 0.6971,
"segments": [
[
0.488,
10.937
]
]
},
{
"lane": "bass",
"band_hz": [
90,
180
],
"entry_s": 0.488,
"exit_s": 10.96,
"active_fraction": 0.6986,
"segments": [
[
0.488,
10.96
]
]
},
{
"lane": "low_mid",
"band_hz": [
180,
355
],
"entry_s": 0.488,
"exit_s": 10.937,
"active_fraction": 0.6971,
"segments": [
[
0.488,
10.937
]
]
},
{
"lane": "mid",
"band_hz": [
355,
710
],
"entry_s": 0.511,
"exit_s": 10.913,
"active_fraction": 0.694,
"segments": [
[
0.511,
10.913
]
]
},
{
"lane": "upper_mid",
"band_hz": [
710,
1400
],
"entry_s": 0.488,
"exit_s": 11.122,
"active_fraction": 0.7094,
"segments": [
[
0.488,
11.122
]
]
},
{
"lane": "presence",
"band_hz": [
1400,
2800
],
"entry_s": 0.488,
"exit_s": 11.169,
"active_fraction": 0.7125,
"segments": [
[
0.488,
11.169
]
]
},
{
"lane": "brilliance",
"band_hz": [
2800,
5600
],
"entry_s": 0.488,
"exit_s": 11.633,
"active_fraction": 0.7434,
"segments": [
[
0.488,
11.633
]
]
},
{
"lane": "air",
"band_hz": [
5600,
11200
],
"entry_s": 0.488,
"exit_s": 11.633,
"active_fraction": 0.7434,
"segments": [
[
0.488,
11.633
]
]
}
],
"interlap_matrix": {
"sub|low_bass": 0.9845,
"sub|bass": 0.9823,
"sub|low_mid": 0.9845,
"sub|mid": 0.9889,
"sub|upper_mid": 0.9673,
"sub|presence": 0.9631,
"sub|brilliance": 0.9231,
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"low_bass|bass": 0.9978,
"low_bass|low_mid": 1.0,
"low_bass|mid": 0.9956,
"low_bass|upper_mid": 0.9826,
"low_bass|presence": 0.9783,
"low_bass|brilliance": 0.9376,
"low_bass|air": 0.9376,
"bass|low_mid": 0.9978,
"bass|mid": 0.9934,
"bass|upper_mid": 0.9847,
"bass|presence": 0.9805,
"bass|brilliance": 0.9397,
"bass|air": 0.9397,
"low_mid|mid": 0.9956,
"low_mid|upper_mid": 0.9826,
"low_mid|presence": 0.9783,
"low_mid|brilliance": 0.9376,
"low_mid|air": 0.9376,
"mid|upper_mid": 0.9782,
"mid|presence": 0.974,
"mid|brilliance": 0.9335,
"mid|air": 0.9335,
"upper_mid|presence": 0.9957,
"upper_mid|brilliance": 0.9543,
"upper_mid|air": 0.9543,
"presence|brilliance": 0.9584,
"presence|air": 0.9584,
"brilliance|air": 1.0
},
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"times_s": [
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6.13,
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6.873,
7.059,
7.245,
7.43,
7.616,
7.802,
7.988,
8.173,
8.359,
8.545,
8.731,
8.916,
9.102,
9.288,
9.474,
9.66,
9.845,
10.031,
10.217,
10.403,
10.588,
10.774,
10.96,
11.146,
11.331,
11.517,
11.703,
11.889,
12.074,
12.26,
12.446,
12.632,
12.817,
13.003,
13.189,
13.375,
13.56,
13.746,
13.932,
14.118,
14.303,
14.489,
14.675,
14.861
],
"lanes": [
0,
0,
0,
9,
9,
9,
9,
9,
9,
9,
9,
9,
9,
9,
9,
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9,
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5,
3,
2,
2,
0,
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],
"max": 9,
"mean": 6.382
},
"register_spacing_octaves": [
1.085,
1.0,
0.99,
0.99,
0.99,
0.99,
1.0,
1.0
]
},
"event_grammar": {
"drops": [
{
"position": 0.7012,
"at_s": 10.519,
"db_delta": -4.89,
"lanes_removed": 1.64,
"bars_held_s": 3.901,
"re_enters_at_s": 14.42
},
{
"position": 0.7817,
"at_s": 11.726,
"db_delta": -9.31,
"lanes_removed": 1.91,
"bars_held_s": 2.694,
"re_enters_at_s": 14.42
},
{
"position": 0.8622,
"at_s": 12.934,
"db_delta": -9.76,
"lanes_removed": -0.0,
"bars_held_s": 1.486,
"re_enters_at_s": 14.42
},
{
"position": 0.9427,
"at_s": 14.141,
"db_delta": -54.61,
"lanes_removed": -0.0,
"bars_held_s": 0.279,
"re_enters_at_s": 14.42
}
],
"raises": [
{
"position": 0.0402,
"start_s": 0.604,
"end_s": 1.3,
"db_delta": 130.5,
"lanes_added": 7.27,
"slope_db_per_s": 187.336
}
],
"breaks": [
{
"position": 0.0,
"at_s": 0.0,
"duration_s": 0.464
},
{
"position": 0.8204,
"at_s": 12.307,
"duration_s": 2.694
}
],
"tuttis": [
{
"position": 0.0418,
"at_s": 0.627,
"duration_s": 10.147,
"lanes": 9
}
],
"silence_budget": {
"fraction": 0.2133,
"seconds": 3.199,
"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": 1,
"breaks": 2,
"tuttis": 1
}
},
"opening_and_flow_law": {
"onset_type": "fade_in",
"first_sound_at_s": 0.488,
"time_to_hook_s": null,
"time_to_hook_bars": null,
"time_to_full_texture_s": 0.511,
"time_to_full_texture_bars": 0.32,
"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,
7.43,
8.17,
8.92,
9.66,
10.4,
11.15,
11.89,
12.63,
13.37,
14.12,
14.86
],
"values": [
0.0862,
0.6772,
0.755,
0.7804,
0.7775,
0.7957,
0.8117,
0.8327,
0.8202,
0.8092,
0.7855,
0.7816,
0.7971,
0.7864,
0.7116,
0.365,
0.1788,
0.1786,
0.1777,
0.1831,
0.0
],
"peak_position_normalised": 0.3483
}
},
"complexity_law": {
"available": true,
"bar_length_s": 1.5789,
"bars": 9,
"index_per_bar": [
0.8075,
1.0,
0.9939,
0.9958,
0.9942,
0.9964,
0.9706,
0.2354,
0.0251
],
"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": 1.58,
"delta": 0.192,
"at_section_boundary": true
},
{
"bar": 7,
"at_s": 11.05,
"delta": -0.735,
"at_section_boundary": true
},
{
"bar": 8,
"at_s": 12.63,
"delta": -0.21,
"at_section_boundary": false
}
],
"steps_at_section_boundaries": 2,
"steps_total": 3,
"boundary_step_share": 0.667,
"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": 0.067,
"melodic_salience": 0.0,
"voiced_fraction": 0.007,
"note_count": 1,
"mean_lanes": 6.382,
"max_lanes": 9
},
"dynamics": {
"dynamic_range_db_p95_minus_p10": 68.04,
"peak_position_normalised": 0.37,
"peak_at_s": 5.55,
"arc_curve_db": [
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-67.71,
-11.4,
-11.59,
-11.01,
-10.88,
-10.41,
-9.98,
-10.05,
-10.6,
-10.87,
-11.3,
-11.04,
-10.9,
-14.11,
-26.58,
-42.53,
-54.46,
-66.55,
-106.88,
-89.71
],
"arc_times_s": [
0.0,
0.74,
1.49,
2.23,
2.97,
3.72,
4.46,
5.2,
5.94,
6.69,
7.43,
8.17,
8.92,
9.66,
10.4,
11.15,
11.89,
12.63,
13.37,
14.12,
14.86
]
},
"register": {
"melody_span_semitones": 0.0,
"melody_tessitura_midi": 38.67,
"bass_floor_band": {
"sub": 0.00528,
"low_bass": 0.21212,
"bass": 0.17786,
"low_mid": 0.05976,
"mid": 0.15275,
"upper_mid": 0.14685,
"presence": 0.13831,
"brilliance": 0.08983,
"air": 0.0166,
"ultra": 0.0
},
"octave_band_profile": {
"sub": 0.00528,
"low_bass": 0.21212,
"bass": 0.17786,
"low_mid": 0.05976,
"mid": 0.15275,
"upper_mid": 0.14685,
"presence": 0.13831,
"brilliance": 0.08983,
"air": 0.0166,
"ultra": 0.0
}
},
"cadence_and_ending": {
"loop_seam": {
"measurable": true,
"seam_distance": 1.0,
"interior_distance_median": 0.04139,
"seam_ratio": 24.159,
"seam_clean": false,
"tail_rms_over_mid": 0.0,
"head_rms_over_mid": 0.0,
"tail_rms_trend": -0.9329,
"head_rms_trend": 0.8048,
"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": 2743.2,
"spectral_centroid_curve_hz": [
0.0,
2791.3,
2221.7,
2703.7,
2423.7,
2588.1,
2847.3,
2960.4,
2731.6,
2781.4,
2547.4,
2600.4,
2674.1,
2560.8,
2639.8,
2708.1,
3605.7,
3886.2,
3927.6,
4063.9,
0.0
],
"spectral_rolloff85_hz_mean": 5526.7,
"spectral_flatness_mean": 0.0961,
"signature_colour": "bright"
}
}
}