music/exemplars/formula_cards/UNMATCHED__147_PR_Video_BGM__Cute_4_.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__147_PR_Video_BGM__Cute_4_",
"title": null,
"game": null,
"composer": null,
"purpose_class": null,
"source_path": "D:\\audio\\exemplars\\iTunes_Sweep\\Compilations\\Pokémon X & Pokémon Y_ Super Music Colle\\147 PR Video BGM _Cute 4_.m4a",
"sha256": "9b7f13ab436ff5ccd7dd9d598867d1522eb254de68a1280e35e1c9211fd9f4e9",
"bytes": 999819,
"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": "2026-08-07T03:59:48+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": 14.257,
"section_boundaries_s": [
0.0,
0.743,
7.755,
14.257
],
"section_count": 3,
"repeat_map": [
{
"section": 0,
"most_like_section": null,
"similarity": 0.0,
"is_repeat": false
},
{
"section": 1,
"most_like_section": 0,
"similarity": 0.8399,
"is_repeat": false
},
{
"section": 2,
"most_like_section": 0,
"similarity": 0.8959,
"is_repeat": false
}
],
"novelty_peak_strength": [
0.7215,
1.0
],
"method": "checkerboard-kernel novelty over a chroma+MFCC self-similarity matrix"
},
"tempo_and_time_grammar": {
"tempo_function": {
"baseline_bpm": 172.27,
"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
],
"curve_bpm": [
143.55,
143.55,
143.55,
143.55,
161.5,
172.27,
172.27,
172.27,
172.27,
172.27,
172.27,
172.27,
172.27,
172.27,
172.27,
172.27,
172.27,
172.27,
172.27,
172.27,
172.27,
172.27,
172.27,
172.27,
172.27,
172.27,
172.27,
161.5,
161.5,
161.5,
161.5,
161.5,
161.5,
161.5,
161.5,
161.5,
172.27,
172.27,
287.11
],
"adjustment_events": [
{
"position_s": 0.0,
"duration_s": 1.95,
"delta_bpm": -38.75,
"shape": "ramp"
},
{
"position_s": 10.29,
"duration_s": 2.58,
"delta_bpm": -9.96,
"shape": "step"
}
],
"dispersion_bpm": 22.071,
"rubato_depth_bpm": 10.767
},
"global_bpm": 161.5,
"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": 161.5,
"tempo_bpm_median_local": 161.5,
"tempo_iqr_bpm": 0.0,
"tempo_stability": 1.0,
"beat_interval_cv": 0.0437
},
"dominant_onset_period_s": 0.3483,
"dominant_onset_period_bpm": 172.27,
"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": 0.623,
"onset_rate_per_s": 10.784
}
},
"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": true,
"onset_s": 2.972,
"onset_bars": 2.13,
"pitch_contour": "UDUUUDDUDDDU",
"interval_vocabulary_semitones": [
1,
2,
5,
13
],
"intervals": [
1.0,
-2.0,
1.0,
1.0,
5.0,
-2.0,
-1.0,
5.0,
-1.0,
-1.0,
-13.0,
1.0
],
"range_semitones": 15.0,
"distinctive_deviation": {
"largest_interval_semitones": -13.0,
"at_note_index": 11,
"is_licensed_leap": true
}
},
"motif_economy": {
"self_similarity_peak": 0.8638,
"self_similarity_baseline": 0.7574,
"self_similarity_lift": 0.1064,
"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": 1.974,
"exit_s": 12.33,
"active_fraction": 0.7285,
"segments": [
[
1.974,
8.173
],
[
8.313,
12.33
]
]
},
{
"lane": "low_bass",
"band_hz": [
45,
90
],
"entry_s": 2.043,
"exit_s": 11.935,
"active_fraction": 0.6228,
"segments": [
[
2.043,
5.433
],
[
5.55,
7.454
],
[
9.195,
9.729
],
[
9.776,
11.935
]
]
},
{
"lane": "bass",
"band_hz": [
90,
180
],
"entry_s": 0.534,
"exit_s": 11.773,
"active_fraction": 0.7886,
"segments": [
[
0.534,
11.773
]
]
},
{
"lane": "low_mid",
"band_hz": [
180,
355
],
"entry_s": 0.511,
"exit_s": 11.61,
"active_fraction": 0.7789,
"segments": [
[
0.511,
11.61
]
]
},
{
"lane": "mid",
"band_hz": [
355,
710
],
"entry_s": 0.534,
"exit_s": 11.447,
"active_fraction": 0.7659,
"segments": [
[
0.534,
11.447
]
]
},
{
"lane": "upper_mid",
"band_hz": [
710,
1400
],
"entry_s": 0.534,
"exit_s": 11.633,
"active_fraction": 0.7789,
"segments": [
[
0.534,
11.633
]
]
},
{
"lane": "presence",
"band_hz": [
1400,
2800
],
"entry_s": 0.534,
"exit_s": 11.633,
"active_fraction": 0.7789,
"segments": [
[
0.534,
11.633
]
]
},
{
"lane": "brilliance",
"band_hz": [
2800,
5600
],
"entry_s": 0.557,
"exit_s": 11.169,
"active_fraction": 0.7447,
"segments": [
[
0.557,
11.169
]
]
},
{
"lane": "air",
"band_hz": [
5600,
11200
],
"entry_s": 0.58,
"exit_s": 11.192,
"active_fraction": 0.7447,
"segments": [
[
0.58,
11.192
]
]
}
],
"interlap_matrix": {
"sub|low_bass": 0.8549,
"sub|bass": 0.833,
"sub|low_mid": 0.8176,
"sub|mid": 0.8055,
"sub|upper_mid": 0.8212,
"sub|presence": 0.8212,
"sub|brilliance": 0.7835,
"sub|air": 0.787,
"low_bass|bass": 0.7642,
"low_bass|low_mid": 0.7485,
"low_bass|mid": 0.7358,
"low_bass|upper_mid": 0.752,
"low_bass|presence": 0.752,
"low_bass|brilliance": 0.7128,
"low_bass|air": 0.7163,
"bass|low_mid": 0.9835,
"bass|mid": 0.9711,
"bass|upper_mid": 0.9876,
"bass|presence": 0.9876,
"bass|brilliance": 0.9443,
"bass|air": 0.9443,
"low_mid|mid": 0.9833,
"low_mid|upper_mid": 0.9958,
"low_mid|presence": 0.9958,
"low_mid|brilliance": 0.9562,
"low_mid|air": 0.9562,
"mid|upper_mid": 0.9833,
"mid|presence": 0.9833,
"mid|brilliance": 0.9724,
"mid|air": 0.9724,
"upper_mid|presence": 1.0,
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"upper_mid|air": 0.9562,
"presence|brilliance": 0.9562,
"presence|air": 0.9562,
"brilliance|air": 0.9956
},
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6.13,
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7.059,
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7.616,
7.802,
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8.916,
9.102,
9.288,
9.474,
9.66,
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10.031,
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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
],
"lanes": [
0,
0,
0,
6,
7,
7,
7,
7,
7,
7,
7,
9,
9,
9,
9,
9,
9,
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9,
9,
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9,
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8,
8,
9,
9,
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9,
9,
9,
9,
9,
7,
6,
3,
2,
1,
1,
0,
0,
0,
0,
0,
0,
0,
0,
0,
0
],
"max": 9,
"mean": 6.732
},
"register_spacing_octaves": [
1.085,
1.0,
0.99,
0.99,
0.99,
0.99,
1.0,
1.0
]
},
"event_grammar": {
"drops": [
{
"position": 0.7704,
"at_s": 10.983,
"db_delta": -2.28,
"lanes_removed": 1.53,
"bars_held_s": 2.694,
"re_enters_at_s": 13.677
},
{
"position": 0.855,
"at_s": 12.19,
"db_delta": -21.37,
"lanes_removed": 2.07,
"bars_held_s": 1.486,
"re_enters_at_s": 13.677
},
{
"position": 0.9397,
"at_s": 13.398,
"db_delta": -63.6,
"lanes_removed": -0.0,
"bars_held_s": 0.279,
"re_enters_at_s": 13.677
}
],
"raises": [
{
"position": 0.0423,
"start_s": 0.604,
"end_s": 11.215,
"db_delta": 128.09,
"lanes_added": 5.96,
"slope_db_per_s": 12.071
},
{
"position": 0.1401,
"start_s": 1.997,
"end_s": 2.183,
"db_delta": -0.65,
"lanes_added": 1.51,
"slope_db_per_s": -3.486
}
],
"breaks": [
{
"position": 0.0,
"at_s": 0.0,
"duration_s": 0.441
},
{
"position": 0.8713,
"at_s": 12.423,
"duration_s": 1.834
}
],
"tuttis": [
{
"position": 0.1466,
"at_s": 2.09,
"duration_s": 5.364,
"lanes": 9
},
{
"position": 0.645,
"at_s": 9.195,
"duration_s": 1.904,
"lanes": 9
}
],
"silence_budget": {
"fraction": 0.1626,
"seconds": 2.318,
"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": 2,
"breaks": 2,
"tuttis": 2
}
},
"opening_and_flow_law": {
"onset_type": "fade_in",
"first_sound_at_s": 0.488,
"time_to_hook_s": 2.972,
"time_to_hook_bars": 2.13,
"time_to_full_texture_s": 2.043,
"time_to_full_texture_bars": 1.47,
"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
],
"values": [
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0.6816,
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0.6228,
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0.6358,
0.2324,
0.0947,
0.1544,
0.0
],
"peak_position_normalised": 0.1629
}
},
"complexity_law": {
"available": true,
"bar_length_s": 1.3932,
"bars": 10,
"index_per_bar": [
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0.9321,
0.9914,
0.9951,
1.0,
0.9637,
0.9779,
0.9957,
0.5371,
0.0109
],
"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": 1.39,
"delta": 0.342,
"at_section_boundary": true
},
{
"bar": 8,
"at_s": 11.15,
"delta": -0.459,
"at_section_boundary": false
},
{
"bar": 9,
"at_s": 12.54,
"delta": -0.526,
"at_section_boundary": false
}
],
"steps_at_section_boundaries": 1,
"steps_total": 3,
"boundary_step_share": 0.333,
"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": 0.912,
"melodic_salience": 0.734,
"voiced_fraction": 0.2116,
"note_count": 13,
"mean_lanes": 6.732,
"max_lanes": 9
},
"dynamics": {
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"peak_position_normalised": 0.1189,
"peak_at_s": 1.695,
"arc_curve_db": [
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-71.24,
-12.7,
-13.12,
-13.9,
-14.52,
-14.31,
-13.82,
-14.44,
-14.71,
-15.59,
-15.98,
-15.36,
-14.87,
-13.22,
-14.6,
-31.09,
-54.73,
-104.2,
-91.08
],
"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
]
},
"register": {
"melody_span_semitones": 15.0,
"melody_tessitura_midi": 45.0,
"bass_floor_band": {
"sub": 0.00034,
"low_bass": 0.07011,
"bass": 0.27724,
"low_mid": 0.12772,
"mid": 0.18049,
"upper_mid": 0.13935,
"presence": 0.14062,
"brilliance": 0.05637,
"air": 0.00684,
"ultra": 0.0
},
"octave_band_profile": {
"sub": 0.00034,
"low_bass": 0.07011,
"bass": 0.27724,
"low_mid": 0.12772,
"mid": 0.18049,
"upper_mid": 0.13935,
"presence": 0.14062,
"brilliance": 0.05637,
"air": 0.00684,
"ultra": 0.0
}
},
"cadence_and_ending": {
"loop_seam": {
"measurable": true,
"seam_distance": 1.0,
"interior_distance_median": 0.03818,
"seam_ratio": 26.191,
"seam_clean": false,
"tail_rms_over_mid": 0.0,
"head_rms_over_mid": 0.0,
"tail_rms_trend": -0.8076,
"head_rms_trend": 0.938,
"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": 1931.1,
"spectral_centroid_curve_hz": [
0.0,
1791.8,
1476.1,
2912.6,
2129.6,
2424.6,
2114.9,
1741.2,
1814.8,
2224.3,
2423.8,
2294.9,
2463.1,
2635.6,
1863.7,
1082.2,
803.8,
1761.0,
3579.5,
0.0
],
"spectral_rolloff85_hz_mean": 3943.8,
"spectral_flatness_mean": 0.07904,
"signature_colour": "warm"
}
}
}